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Patents Grantslast 30 patents

Information Patent Grant
Fire resistant steel door
- Patent number 4,799,349
- Issue date Jan 24, 1989
- Radixx/World Ltd.
- John S. Luckanuck
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Fire-resistant article and method of manufacture
- Patent number 4,695,494
- Issue date Sep 22, 1987
- Georgia-Pacific Corporation
- George F. Fowler
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Fireproof door for hotels, skyscrapers and the like
- Patent number 4,270,326
- Issue date Jun 2, 1981
- Industrie-Wert Beteiligungsgesellschaft mbH
- Heinz Holter
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Fire door core
- Patent number 4,159,302
- Issue date Jun 26, 1979
- Georgia-Pacific Corporation
- Dale R. Greve
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
3635784
- Patent number 3,635,784
- Issue date Jan 18, 1972
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS