Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
TZ

Thomas J. Zohn — 3 Patents

3M: 3 patents #4,214 of 11,543Top 40%
Woodbury, MN: #796 of 1,562 inventorsTop 55%
Minnesota: #19,064 of 52,454 inventorsTop 40%
Overall (All Time): #1,662,884 of 4,157,543Top 40%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5165083 Carrier locator apparatus for use with two piece videocassette Lawrence A. Flor, Thomas A. Turgeon 1992-11-17
5031065 Carrier with tape connector interlock for videocassette Lawrence A. Flor, Thomas A. Turgeon 1991-07-09
4501396 Video cassette time left gauge John P. Tomsyck 1985-02-26