DE

Duncan C. Engh

DI D B Industries: 1 patents #28 of 51Top 55%
Overall (All Time): #3,817,264 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5186289 Retractable lifeline safety device James T. Wolner 1993-02-16