DH

Douglas J. Hatch

NP North American Philips: 2 patents #168 of 645Top 30%
TC The Regents Of The University Of Calif.: 1 patents #5 of 63Top 8%
📍 Chittenango, NY: #22 of 53 inventorsTop 45%
🗺 New York: #38,318 of 115,490 inventorsTop 35%
Overall (All Time): #1,640,619 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5802937 Smart tool holder Robert Dean Day, Larry R. Foreman, Mark Stephen Meadows 1998-09-08
4629999 Phase-locked loop capable of generating a plurality of stable frequency signals Jeffrey Lloyd Cox 1986-12-16
4521809 Method and apparatus for controlling access to selected television programs Joseph P. Bingham 1985-06-04