David N Townsend

US Patent:

D468305, Jan 7, 2003

Filed:

Apr 30, 2002

Appl. No.:

29/159919

Inventors:

Judy Jeonghye Ma - Buffalo Grove IL
David Townsend - Lakewood IL
Burton S. Lowry - Antioch IL

Assignee:

Motorola, Inc. - Schaumburg IL

International Classification:

1403

US Classification:

D14253

US Patent:

6509168, Jan 21, 2003

Filed:

Apr 18, 2001

Appl. No.:

09/838590

Inventors:

Andrew J. Croteau - Peabody MA
Mark W. Pierson - Saco ME
David E. Townsend - Scarborough ME
Ali Naqui - Falmouth ME

Assignee:

Biocontrol Systems, Inc. - Bellevue WA

International Classification:

C12Q 124

US Classification:

435 30, 435 4, 435 29

Abstract:

Method for detection of a biological material in a sample. The method includes the steps of liquifying the sample (if necessary) and pouring the liquified sample into the incubation plate. The incubation plate has a generally flat horizontal surface and the surface is divided into a plurality of at least 20 recessed wells. Each well is adapted to hold an aliquot of liquid and is sized and shaped, and formed of a suitable material, to hold the aliquot within the well by surface tension. Any excess liquid from the liquified sample is poured from the surface of the plate. The method then involves incubating that incubation plate until the presence or absence of the biological material is determined.

US Patent:

D489058, Apr 27, 2004

Filed:

Nov 12, 2002

Appl. No.:

29/170721

Inventors:

Jeong Ma - Buffalo Grove IL
Matthew B. Ansley - Chicago IL
David P. Townsend - Village of Lakewood IL

Assignee:

Motorola, Inc. - Schaumburg IL

International Classification:

1403

US Classification:

D14240

US Patent:

7122338, Oct 17, 2006

Filed:

Jan 21, 2003

Appl. No.:

10/349196

Inventors:

Andrew J. Crouteau - Peabody MA, US
Mark W. Pierson - Saco ME, US
David E. Townsend - Scarborough ME, US
Ali Naqui - Falmouth ME, US

Assignee:

Biocontrol Systems, Inc. - Bellevue WA

International Classification:

C12Q 1/24

US Classification:

435 30, 4352879

Abstract:

Methods for the detection and/or quantification of a biological material in a sample. The method includes the steps of liquefying the sample (if necessary) and pouring the liquefied sample into the incubation vessel. The incubation vessel has a generally flat horizontal surface and the surface is divided into at least one incubation site. Each incubation site is adapted to hold an aliquot of liquid and is sized and shaped, and formed of a suitable material, to hold the aliquot within the well by surface tension. Any excess liquid from the liquefied sample is poured from the surface of the incubation vessel. The method then involves incubating that incubation vessel until the presence or absence of the biological material is determined. The presence of air bubbles can be dramatically reduced by the presence of a surface acting agent in the liquid sample deposited on the device surface. Such an agent can be added to the sterile diluent used to prepare the test reagent, can be separately added to the test reagent after it is prepared, or can be added to the test sample directly while it is being prepared for testing.

US Patent:

D534901, Jan 9, 2007

Filed:

Dec 12, 2005

Appl. No.:

29/244570

Inventors:

Jeong J. Ma - Buffalo Grove IL, US
Thomas E. Gitzinger - Libertyville IL, US
David P. Townsend - Village of Lakewood IL, US

Assignee:

Motorola, Inc. - Schaumburg IL

International Classification:

1401

US Classification:

D14229

US Patent:

D538793, Mar 20, 2007

Filed:

Dec 12, 2005

Appl. No.:

29/244579

Inventors:

Jeong J. Ma - Buffalo Grove IL, US
Thomas E. Gitzinger - Libertyville IL, US
David P. Townsend - Village of Lakewood IL, US

Assignee:

Motorola, Inc. - Schaumburg IL

International Classification:

1401

US Classification:

D14225

US Patent:

D602906, Oct 27, 2009

Filed:

Jul 16, 2008

Appl. No.:

29/321401

Inventors:

William R Groves - Naperville IL, US
Michael A Minneci - Cary IL, US
David P Townsend - Lakewood IL, US

Assignee:

Motorola, Inc. - Schaumburg IL

International Classification:

1401

US Classification:

D14205

US Patent:

D617771, Jun 15, 2010

Filed:

Jul 16, 2008

Appl. No.:

29/321402

Inventors:

William R. Groves - Naperville IL, US
Michael A. Minneci - Cary IL, US
David P. Townsend - Lakewood IL, US

Assignee:

Motorola, Inc. - Schaumburg IL

International Classification:

1401

US Classification:

D14206, D14205