David E. Tupman — 3 Patents | Patent Leaderboard

David E. Tupman has been granted 3 US patents. The first was granted in 2013 and the most recent in October 2016. David E. Tupman ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list David E. Tupman in Anna, TX, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
9457122	Enhanced photo-catalytic cells	Wallace Weston Warren	2016-10-04
8585979	Enhanced photo-catalytic cells	—	2013-11-19
8585980	Enhanced photo-catalytic cells	Wallace Weston Warren	2013-11-19

David E. Tupman — 3 Patents

Issued Patents All Time

Patent Widget