Francis James Perry

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Morgan Hill, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Circuitry for perfecting ink drop printing at varying carrier velocity
- Patent number 4,167,014
- Issue date Sep 4, 1979
- International Business Machines Corporation
- Richard H. Darling
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink maintenance sensor
- Patent number 4,130,126
- Issue date Dec 19, 1978
- International Business Machines Corporation
- Warren L. Chocholaty
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Digital flow pressure regulator
- Patent number 4,089,007
- Issue date May 9, 1978
- International Business Machines Corporation
- Francis J. Perry
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink collector in ink jet printer
- Patent number 4,084,164
- Issue date Apr 11, 1978
- International Business Machines Corporation
- Richard Curtis Alt
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink supply for pressurized ink jet
- Patent number 4,042,937
- Issue date Aug 16, 1977
- International Business Machines Corporation
- Francis James Perry
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS