HT

Howard W. Trowbridge

📍 Burns Lake, CA: #432 of 1,404 inventorsTop 35%
Overall (All Time): #4,124,242 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4235040 Model airplane — 1980-11-25