WH

William C. Humphrey

SC Southern Case: 2 patents #5 of 8Top 65%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
CT Cooper Technologies: 1 patents #306 of 757Top 45%
Overall (All Time): #1,295,522 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D339361 Hopper for sandblasting machine 1993-09-14
D338927 Kite controller Randy L. Burke 1993-08-31
D332456 Wheeled hopper for sandblasting machine 1993-01-12
D308136 Base for storing and carrying a propane torch and accessories David S. Chapin 1990-05-29