DS

David J. Sorensen

📍 Vancouver, WA: #761 of 1,812 inventorsTop 45%
🗺 Washington: #35,300 of 76,902 inventorsTop 50%
Overall (All Time): #2,305,513 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5263968 Apparatus for removing piercing stud clasp 1993-11-23
4274416 Method of using a guide for replacement of earrings in pierced ears 1981-06-23