RD

Ray Worthington Douglas

📍 Thompson Falls, MT: #4 of 8 inventorsTop 50%
🗺 Montana: #1,498 of 3,198 inventorsTop 50%
Overall (All Time): #4,089,525 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4267627 Attachment for valve spring depressing tool — 1981-05-19