David A. WOODFIELD

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Bloxwich, GB

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Patents Grantslast 30 patents

Information Patent Grant
Pet door systems and methods of operation thereof
- Patent number 8,839,556
- Issue date Sep 23, 2014
- Pet Mate Ltd.
- Steve Martin Brooks
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Pet door
- Patent number 7,765,955
- Issue date Aug 3, 2010
- Pet Mate Ltd.
- Steve Brooks
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Method and apparatus for input of data
- Patent number 6,515,992
- Issue date Feb 4, 2003
- Two Way TV Limited
- David Robert Weston
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Method and apparatus for transmitting data
- Patent number 6,301,243
- Issue date Oct 9, 2001
- Two Way TV Limited
- Andrew James Copper
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Interactive system
- Patent number 5,905,523
- Issue date May 18, 1999
- Two Way TV Limited
- David Alan Woodfield
- G07 - CHECKING-DEVICES
Information Patent Grant
Token ring system hierarchy
- Patent number 4,985,888
- Issue date Jan 15, 1991
- Madge Networks Limited
- Robert Madge
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Token ring expander and/or hub
- Patent number 4,905,230
- Issue date Feb 27, 1990
- Madge Networks Limited
- Robert Madge
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
PET DOOR SYSTEMS AND METHODS OF OPERATION THEREOF
- Publication number 20130174618
- Publication date Jul 11, 2013
- PET MATE LTD.
- Steve Martin Brooks
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
PET DOOR
- Publication number 20070089684
- Publication date Apr 26, 2007
- PET MATE LTD.
- Steve BROOKS
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES