David A. Weir

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Solvang, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Self-inking hand stamp
- Patent number D323527
- Issue date Jan 28, 1992
- Porelon, Inc.
- David A. Weir
- D18 - Printing and office machinery
Information Patent Grant
Self inking hand stamp
- Patent number 4,970,954
- Issue date Nov 20, 1990
- Hewitt; Richard E.
- David A. Weir
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS