Peter A. Czerner

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Trumbull, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Cutter head assembly
- Patent number 4,089,109
- Issue date May 16, 1978
- Sperry Rand Corporation
- Peter Alfred Czerner
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Cutter drive arrangement for an electric dry shaver
- Patent number 4,001,933
- Issue date Jan 11, 1977
- Sperry Rand Corporation
- Peter A. Czerner
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Grant
Switch arrangement for hand-held portable electrical appliances
- Patent number 3,997,968
- Issue date Dec 21, 1976
- Sperry Rand Corporation
- Peter Alfred Czerner
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Grant
Electric dry shaver
- Patent number 3,997,969
- Issue date Dec 21, 1976
- Sperry Rand Corporation
- Peter A. Czerner
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Grant
Electric dry shaver with releasable cutter head
- Patent number 3,931,675
- Issue date Jan 13, 1976
- Sperry Rand Corporation
- Peter A. Czerner
- B26 - HAND CUTTING TOOLS CUTTING SEVERING