TF

Timothy T. Frenzen

TH Truth Hardware: 5 patents #16 of 73Top 25%
📍 Owatonna, MN: #72 of 233 inventorsTop 35%
🗺 Minnesota: #13,602 of 52,454 inventorsTop 30%
Overall (All Time): #1,035,812 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
D527613 Lock housing Geoffrey Osoro Omangi 2006-09-05
5927768 Non-handed window lock actuator Brian Dallmann, Thomas J. Midas 1999-07-27
5778602 Pick resistant window lock manual control Douglas G. Johnson, Joseph P. Landherr 1998-07-14
D390445 Window lock handle and escutcheon Douglas G. Johnson, Joseph P. Landherr 1998-02-10
D389396 Window lock handle and escutcheon Douglas G. Johnson, Joseph P. Landherr 1998-01-20