WH

William R. Harding

EC Equipment Development Company: 5 patents #2 of 5Top 40%
📍 Frederick, MD: #129 of 816 inventorsTop 20%
🗺 Maryland: #5,505 of 35,612 inventorsTop 20%
Overall (All Time): #873,546 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
7302946 Industrial scarifier assembly 2007-12-04
7192339 Grinder disc, insert holder and insert assembly 2007-03-20
6942069 Braking system for a wheeled abrading machine 2005-09-13
6273081 Portable gasoline masonry saw with dust removal system Paul Gorgol 2001-08-14
D434052 Grinder blade assembly Leo Swan 2000-11-21
6021771 "Surfacing machine with ""strip-sert"" cutter assemblies" Leo Swan 2000-02-08