DS

David W. Stassen

ST Spin Tech: 2 patents #2 of 8Top 25%
📍 Edina, MN: #9 of 42 inventorsTop 25%
🗺 Minnesota: #307 of 3,156 inventorsTop 10%
Overall (1997): #42,617 of 185,788Top 25%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5658337 Intervertebral fusion implant Douglas W. Kohrs, Hansen Yuan 1997-08-19
5609636 Spinal implant Douglas W. Kohrs, Hansen Yuan 1997-03-11