DW

David Alan Woodfield

TL Two Way Tv Limited: 3 patents #2 of 16Top 15%
ML Madge Networks Limited: 2 patents #3 of 26Top 15%
PM Pet Mate: 2 patents #5 of 12Top 45%
Overall (All Time): #492,286 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
12180771 Dock door access apparatus Adam Slaney-Smith, Alan Page, Richard Comley, David Rathbone 2024-12-31
12112608 Asset control system Adam Slaney-Smith 2024-10-08
8839556 Pet door systems and methods of operation thereof Steve Brooks, Andrew Keatley 2014-09-23
7765955 Pet door Steve Brooks, Robert Wiedemann 2010-08-03
6515992 Method and apparatus for input of data David Robert Weston, Andrew James Copper, Andrew Johnson, Anthony Stephen Walton 2003-02-04
6301243 Method and apparatus for transmitting data Andrew James Copper, Andrew Johnson, David Robert Weston, Anthony Stephen Walton 2001-10-09
5961574 Device for obtaining positional information 1999-10-05
5905523 Interactive system David Robert Weston, Janko Mrsic-Flogel, Peter Pfanner, Jeffrey Arnold Hollington, Peter Emrys-Roberts +1 more 1999-05-18
4985888 Token ring system hierarchy Robert Madge 1991-01-15
4905230 Token ring expander and/or hub Robert Madge 1990-02-27