John Dorius

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Glendale, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Hydropressure power
- Patent number 4,180,980
- Issue date Jan 1, 1980
- Ronald A. Marks
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Exhaust hood employing a venturi slot
- Patent number 4,137,904
- Issue date Feb 6, 1979
- Elsters, Inc.
- John O. Dorius
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Exhaust hood canopy having a multi slot venturi outlet
- Patent number 4,129,121
- Issue date Dec 12, 1978
- Elsters, Inc.
- John O. Dorius
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Recirculating dishwasher hood
- Patent number 4,098,616
- Issue date Jul 4, 1978
- Elsters, Inc.
- John Dorius
- B08 - CLEANING