Donald E Parks

US Patent:

40005658, Jan 4, 1977

Filed:

May 5, 1975

Appl. No.:

5/574828

Inventors:

Albert W. Overby - Cary NC
Donald P. Parks - Cary NC

Assignee:

International Business Machines Corporation - Armonk NY

International Classification:

G06K 900
H04M 100
G06F 738

US Classification:

35 35A

Abstract:

An apparatus is disclosed for converting silent digital visual display characters into sequentially enunciated audible tones which are digitally coded in serial form. Blind or visually handicapped persons can recognize the audio tone codes to comprehend the visual characters in the optical display.

US Patent:

47295384, Mar 8, 1988

Filed:

Nov 10, 1986

Appl. No.:

6/929098

Inventors:

John W. Bergacker - Miami Shores FL
Thomas H. Milbauer - Marion WI
Donald G. Parks - Marion WI

International Classification:

F16M 1300

US Classification:

248550

Abstract:

The present invention provides simple and effective mechanisms, apparatus and self contained fluid circuitry to hydraulically actuate the vehicle's seat in generally downward movement in response to general upward movement of the vehicle's terrain contacting apparatus in relation to the vehicle's main body mass. The present invention also includes a simple device to remotely adjust and control the response movement of a hydraulic seat actuator. Also included in the invention is a means of controlling the actions of one or more hydraulic double acting piston pumps.

US Patent:

47935839, Dec 27, 1988

Filed:

Mar 4, 1988

Appl. No.:

7/164446

Inventors:

John W. Bergacker - Miami Shores FL
Thomas H. Milbauer - Marion WI
Donald G. Parks - Marion WI

International Classification:

A47B 9700

US Classification:

248550

Abstract:

The present invention provides simple and effective mechanisms, apparatus and self contained fluid circuitry to hydraulically actuate the vehicle's seat in generally downward movement in response to general upward movement of the vehicle's terrain contacting apparatus in relation to the vehicle's main body mass. The present invention also includes a simple device to remotely adjust and control the response movement of a hydraulic seat actuator. Also included in the invention is a means of controlling the actions of one or more hydraulic double acting piston pumps.