Edward P. Duffy

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Hertfordshire, GB

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Patents Grantslast 30 patents

Information Patent Grant
Mailing machines
- Patent number 6,230,898
- Issue date May 15, 2001
- Printed Forms Equipment Ltd.
- Edward Philip Duffy
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Display systems
- Patent number 4,653,012
- Issue date Mar 24, 1987
- Marconi Avionics Limited
- Edward P. Duffy
- G06 - COMPUTING CALCULATING COUNTING