Mark Quincy Martin

US Patent:

49002619, Feb 13, 1990

Filed:

Feb 23, 1989

Appl. No.:

7/315346

Inventors:

John T. Gentry - Springfield MO
Mark R. Martin - Springfield MO

Assignee:

Positronic Industries, Inc. - Springfield MO

International Classification:

H01R 13627

US Classification:

439353

Abstract:

An electrical connector system with a discriminating latching feature comprising a first electrical connector having female contacts and a first latching member, a second electrical connector having male contacts and a second latching member, a third electrical connector having female contacts and a third latching member, and a fourth electrical connector having male contacts and a fourth latching member. The second and fourth connectors may be plugged into either of the first and third connectors so that respective male and female contact make electrical contact with one another. The latching members are cooperable with one another to latch together the first and second connectors to one another when plugged together, to latch the first and fourth connectors to one another when plugged together, to latch the second and third connectors to one another when plugged together, but not to latch the third and fourth connectors to one another when plugged together.

US Patent:

53538145, Oct 11, 1994

Filed:

Mar 26, 1993

Appl. No.:

8/037308

Inventors:

Mark J. Martin - Spokane WA

International Classification:

A24F 1306

US Classification:

1312152

Abstract:

A pocket sized smoke cleansing smoking device comprising an elongated tubular housing. The housing having a cigarette or tobacco receiving chamber. A mouthpiece at one end of the housing adjacent to the cigarette receiving chamber. A cigarette smoke outlet end of the device positioned at an opposite end of the housing. A filter receiving chamber at a downstream end of the device adjacent the cigarette outlet end. A smoke cleansing filter in the filter receiving chamber. A fan and motor assembly in the housing between the cigarette receiving chamber and the filter chamber for propelling smoke fumes from the cigarette receiving chamber axially through the filter to atmosphere. A smoke exhalation passageway on the device extending from the mouthpiece axially along the length of the housing and being in axial exhaled smoke receiving communication with the fan and motor assembly and with the filter for discharging exhaled filtered smoke to atmosphere. A finger operated two-way valve assembly positioned in adjacency to the mouthpiece and the cigarette chamber and the axially extending exhalation passageway enabling a smoker to draw cigarette or tobacco smoke from the cigarette chamber when the valve assembly is in one position and enabling exhaled tobacco smoke to be received through the mouthpiece for transport through the axially extending passageway through the filter for cleansing before reentry to atmosphere through the outlet end of the device.