Robert A. Boeller

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Poway, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Wide-swath printer/plotter using multiple printheads
- Patent number 5,861,899
- Issue date Jan 19, 1999
- Hewlett-Packard Company
- Michael A. Nguyen
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Wide-swath printer/plotter using multiple printheads
- Patent number 5,488,397
- Issue date Jan 30, 1996
- Hewlett-Packard Company
- Michael A. Nguyen
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Monitoring and controlling quality of pen markings on plotting media
- Patent number 5,262,797
- Issue date Nov 16, 1993
- Hewlett-Packard Company
- Robert A. Boeller
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES