DS

Donald L. Spears

📍 SeaTac, WA: #22 of 36 inventorsTop 65%
🗺 Washington: #48,111 of 76,902 inventorsTop 65%
Overall (All Time): #3,772,333 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5421666 Pipe connector for framework fabrication — 1995-06-06