DW

David R. Willis

MP Mearthane Products: 4 patents #3 of 7Top 45%
AP Alpine Engineered Products: 2 patents #4 of 23Top 20%
HW Huber Engineered Woods: 1 patents #28 of 50Top 60%
📍 Wakefield, RI: #17 of 139 inventorsTop 15%
🗺 Rhode Island: #764 of 6,211 inventorsTop 15%
Overall (All Time): #656,265 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
8065851 Self-spacing wood composite panels Christopher Scoville, Joel F. Barker, Feipeng Liu, Jeffrey W. Hanna, Nian Ou 2011-11-29
6260861 Variable traction wheel for in-line roller skate Albert C. Chiang, John A. Roderick, Charles Sipes 2001-07-17
5967552 In-line wheeled skate John A. Roderick 1999-10-19
5890339 Hinged pitch break connector 1999-04-06
5836591 In-line wheeled skate for extreme skating John A. Roderick 1998-11-17
5829757 Variable traction wheel for in-line roller skate Albert C. Chiang, John A. Roderick, Charles Sipes 1998-11-03
5816012 Dual threaded fastener and metal component assembly 1998-10-06
5771653 Chord for use as the upper and lower chords of a roof truss Masoud Dolati, Rahim Zadeh, Charles C. Hoover, John C. Carpenter 1998-06-30