DM

Douglas H. Marman

SE Sentrol: 1 patents #1 of 2Top 50%
📍 Ridgefield, WA: #3 of 6 inventorsTop 50%
🗺 Washington: #241 of 1,406 inventorsTop 20%
Overall (1989): #119,329 of 140,708Top 85%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4837558 Glass break detector William E. Abel 1989-06-06