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Patents Grantslast 30 patents

Information Patent Grant
Orchard heater
- Patent number 4,327,704
- Issue date May 4, 1982
- Robert U. Fredrickson
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Pilot burner ignition means and method of making the same
- Patent number 4,298,336
- Issue date Nov 3, 1981
- Robertshaw Controls Company
- Fred Riehl
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Glass fiberizer with ignition system
- Patent number 3,936,286
- Issue date Feb 3, 1976
- Owens-Corning Fiberglas Corporation
- Peter A. Dunkailo
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
3844704
- Patent number 3,844,704
- Issue date Oct 29, 1974
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
2381152
- Patent number 2,381,152
- Issue date Aug 7, 1945
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
1366591
- Patent number 1,366,591
- Issue date Jan 25, 1921
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES