David K. Halden

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Welwyn, GB

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for sealing an envelope
- Patent number 6,790,303
- Issue date Sep 14, 2004
- Pitney Bowes Ltd.
- Robert J. Allen
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

Information Patent Application
Apparatus and method for sealing an envelope
- Publication number 20030111165
- Publication date Jun 19, 2003
- Robert J. Allen
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES