DE

David P. Engvall

IT Irwin Industrial Tool: 4 patents #2 of 33Top 7%
📍 Stanley, NC: #2 of 8 inventorsTop 25%
🗺 North Carolina: #236 of 4,532 inventorsTop 6%
Overall (2011): #29,160 of 364,097Top 9%
4
Patents 2011

Issued Patents 2011

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D651060 Locking pliers jaw Thomas M. Chervenak, Brett Lucus 2011-12-27
8056451 Locking pliers Thomas M. Chervenak 2011-11-15
D635427 Locking pliers jaw Thomas M. Chervenak, Brett Lucus 2011-04-05
7861622 Locking pliers Thomas M. Chervenak 2011-01-04