HG

Henry W. Griffin

EP Essex Specialty Products: 3 patents #5 of 51Top 10%
General Motors: 3 patents #4,693 of 18,328Top 30%
📍 Birmingham, MI: #170 of 851 inventorsTop 20%
🗺 Michigan: #13,574 of 86,293 inventorsTop 20%
Overall (All Time): #754,006 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
D541606 Combined sprinkler head grass trimmer and cleaner Benjamin Lewis 2007-05-01
5799450 Vehicle window and a process for the preparation thereof Terence P. Sammon, Andrew R. Kneisel 1998-09-01
5620648 Process for the preparation of prefabricated vehicle windows Curtis L. Volkmann 1997-04-15
5330597 Process for the preparation of a vehicle window William E. Leuchten 1994-07-19
4487448 Unitized window assembly 1984-12-11
4332056 Infinite position door hold-open Arthur W. Hollar, Jr. 1982-06-01
4235056 Glass retaining clip 1980-11-25