Howard P. Holdren

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Ulster, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Support for a muscularly challenged person
- Patent number 6,554,234
- Issue date Apr 29, 2003
- Howard P. Holdren
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

Information Patent Application
Support for a muscularly challenged person
- Publication number 20020158172
- Publication date Oct 31, 2002
- Howard P. Holdren
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES