Patents Assigned to G.A. Thompson Company, Inc.
  • Hazard warning device
    Patent number: 5287257
    Abstract: A portable electric warning light comprises an elongated electrically conducting housing to which an end cap is connected at one end to provide an on/off switch function and to which a gas discharge flash tube is connected at the other end for emitting, through both end and side walls of a cover connected to the housing, bright flashes of light in response to the operation of batteries and an electronic circuit contained within the housing. The batteries are rechargeable, which can be accomplished in a particular implementation wherein external terminals provide access to the batteries without disassembling the light. The connection of one end of the batteries to the electronic circuit is made through the end cap assembly and the housing, and in one embodiment the connection of the other end of the batteries to the electronic circuit is made through the metallic housing of a flash capacitor forming part of the circuit.
    Type: Grant
    Filed: February 8, 1993
    Date of Patent: February 15, 1994
    Assignee: G. A. Thompson Company, Inc.
    Inventors: J. Alan Schier, Karl G. Thompson, Gregg F. Thompson
  • Hazard warning device
    Patent number: 5203624
    Abstract: A portable electric warning light comprises an elongated electrically conducting housing to which an end cap is connected at one end to provide an on/off switch function and to which a gas discharge flash tube is connected at the other end for emitting, through both end and side walls of a cover connected to the housing, bright flashes of light in response to the operation of batteries and an electronic circuit contained within the housing. The batteries are rechargeable, which can be accomplished in a particular implementation wherein external terminals provide access to the batteries without disassembling the light. The connection of one end of the batteries to the electronic circuit is made through the end cap assembly and the housing, and in one embodiment the connection of the other end of the batteries to the electronic circuit is made through the metallic housing of a flash capacitor forming part of the circuit.
    Type: Grant
    Filed: May 7, 1992
    Date of Patent: April 20, 1993
    Assignee: G.A. Thompson Company, Inc.
    Inventors: J. Alan Schier, Karl G. Thompson, Gregg F. Thompson