P

Inventor

WOODFIELD DAVID ALAN

GB6 patents
⚠️ This page may combine multiple inventors who share the name “WOODFIELD DAVID ALAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TWO WAY TV LTD

3 patents
US5905523AMay 18, 1999

Interactive system

TWO WAY TV LTD134 citations91
US6515992B1Feb 4, 2003

Method and apparatus for input of data

TWO WAY TV LTD41 citations89
US6301243B1Oct 9, 2001

Method and apparatus for transmitting data

TWO WAY TV LTD12 citations70

BROOKS STEVE MARTIN

1 patent
US8839556B2Sep 23, 2014

Pet door systems and methods of operation thereof

BROOKS STEVE MARTIN6 citations63

(unassigned)

1 patent
US5961574AOct 5, 1999

Device for obtaining positional information

2 citations58

E TRACK LTD

1 patent
US12180771B2Dec 31, 2024

Dock door access apparatus

E TRACK LTD0 citations35