Stephen M DeRoos

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Camas, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Foam-filled caps for sealing inkjet printheads
- Patent number 6,390,593
- Issue date May 21, 2002
- Hewlett-Packard Company
- Stephen M DeRoos
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS