DC

David W. Coolman

PL Plyco: 4 patents #1 of 10Top 10%
Overall (All Time): #878,382 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6705377 Horizontal folding door system 2004-03-16
6170206 Cupola roof panels with snap-fit edges 2001-01-09
5791103 Pouring buck Eugene Sawyer 1998-08-11
5560658 Construction of and latching arrangement for large-size overhead bi-fold doors Eugene Sawyer 1996-10-01
D372652 Crimping tool Eugene Sawyer 1996-08-13
5520475 Fastening tab Eugene Sawyer 1996-05-28