TREA

James R. Johnston

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  • Sterling, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Door latch
    • Patent number 4,784,416
    • Issue date Nov 15, 1988
    • National Manufacturing Co.
    • Marlin D. Crown
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Trolley assembly for a pocket door
    • Patent number 4,750,237
    • Issue date Jun 14, 1988
    • National Manufacturing Co.
    • James R. Johnston
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Pocket-door assembly
    • Patent number 4,742,645
    • Issue date May 10, 1988
    • National Manufacturing Co.
    • James R. Johnston
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Door and gate spring
    • Patent number 4,731,902
    • Issue date Mar 22, 1988
    • National Manufacturing Co.
    • James R. Johnston
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Trolley hanger for sliding door
    • Patent number 4,642,844
    • Issue date Feb 17, 1987
    • National Manufacturing Co.
    • James R. Johnston
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Gate latch
    • Patent number 4,643,469
    • Issue date Feb 17, 1987
    • National Manufacturing Co.
    • James R. Johnston
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Door frame construction
    • Patent number 4,494,354
    • Issue date Jan 22, 1985
    • National Manufacturing Co.
    • James R. Johnston
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Door closer with a compressible braking sleeve
    • Patent number 4,486,917
    • Issue date Dec 11, 1984
    • National Manufacturing Co.
    • James R. Johnston
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Pneumatic door closer having resilient braking sleeve and cooperati...
    • Patent number 4,483,044
    • Issue date Nov 20, 1984
    • National Manufacturing Co.
    • James R. Johnston
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Metal frame construction
    • Patent number 4,021,988
    • Issue date May 10, 1977
    • National Manufacturing Company
    • James A. Edeus
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS