Randolph H. Graham — 9 Patents at Plus Development

Randolph H. Graham has been granted 9 US patents while listed as an inventor at Plus Development. The first was granted in 1986 and the most recent in January 1995. Randolph H. Graham ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Randolph H. Graham in San Jose, CA, US.

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Showing 1–9 of 9 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
5379439	Fixed disk drive mounted to printed circuit board	Joel N. Harrison, William G. Moon	1995-01-03	$7,905,000
4914530	Media defect management within disk drive sector format	Dennis W. Hollenbeck	1990-04-03
4882671	Microprocessor controlled rigid disk file subsystem	Bruce R. Peterson, Richard J. Blackborow	1989-11-21
4860194	A method for using a modular unitary disk file subsystem	Joel N. Harrison, William G. Moon	1989-08-22
4819153	Microprocessor controlled rigid disk file subsystem	Bruce R. Peterson, Richard J. Blackborow	1989-04-04
4647769	Optical encoder having controllable lead-lag phase trim sensitivity	Thomas R. Stone	1987-03-03	$2,672,000
4639798	Disk drive having two interactive electromechanical control subsystems	Joel N. Harrison, Vincent Anthony Condito, Brian Nixon, Richard C. Simonsen	1987-01-27	$1,872,000
4639863	Modular unitary disk file subsystem	Joel N. Harrison, William G. Moon	1987-01-27
4593194	Optical encoder with digital gain compensation controlling source intensity	Joel N. Harrison	1986-06-03	$1,754,000

Randolph H. Graham — 9 Patents

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