Donald E. Morris

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Loveland, CO, US

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Patents Grantslast 30 patents

Information Patent Grant
Mouseless optical and position translation type screen pointer cont...
- Patent number 6,057,540
- Issue date May 2, 2000
- Hewlett-Packard Co.
- Gary B. Gordon
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Programmable calculator
- Patent number 4,437,156
- Issue date Mar 13, 1984
- Hewlett-Packard Company
- Chris J. Christopher
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Adaptable programmed calculator including a percent keyboard operator
- Patent number 4,181,966
- Issue date Jan 1, 1980
- Hewlett-Packard Company
- Freddie W. Wenninger
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Adaptable programmed calculator including automatic decimal point p...
- Patent number 4,156,921
- Issue date May 29, 1979
- Hewlett-Packard Company
- Freddie W. Wenninger
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Programmable calculator
- Patent number 4,075,679
- Issue date Feb 21, 1978
- Hewlett-Packard Company
- Chris J. Christopher
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Adaptable programmed calculator having provision for plug-in keyboa...
- Patent number 3,971,925
- Issue date Jul 27, 1976
- Hewlett-Packard Company
- Freddie W. Wenninger
- G06 - COMPUTING CALCULATING COUNTING