John Blumenthal

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Wickliffe, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Toner clean-off head
- Patent number 4,271,559
- Issue date Jun 9, 1981
- Gould Inc.
- John Blumenthal
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrographic imaging with non-sequential electrode actuation
- Patent number 4,271,417
- Issue date Jun 2, 1981
- Gould Inc.
- John Blumenthal
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Toning apparatus for electrostatic printing and plotting machines
- Patent number 4,198,923
- Issue date Apr 22, 1980
- Gould Inc.
- John Blumenthal
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electric spark recording
- Patent number 4,104,648
- Issue date Aug 1, 1978
- Gould Inc.
- John Blumenthal
- G01 - MEASURING TESTING
Information Patent Grant
Air purging system for a pulsed droplet ejecting system
- Patent number 3,974,508
- Issue date Aug 10, 1976
- Gould Inc.
- John Blumenthal
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS