WT

William C. Troubridge

📍 Kitchener, CA: #2 of 23 inventorsTop 9%
Overall (1989): #12,910 of 140,708Top 10%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4877008 Crossbow trigger mechanism 1989-10-31
4867272 Steps for climbing trees 1989-09-19