DS

Denson D. Conn, Sr.

DC Dm System Co.: 4 patents #2 of 7Top 30%
📍 Cincinnati, OH: #2,297 of 8,043 inventorsTop 30%
🗺 Ohio: #18,857 of 73,341 inventorsTop 30%
Overall (All Time): #1,307,286 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D281815 Massager Martin Z. Cahn 1985-12-17
D281816 Massager Martin Z. Cahn 1985-12-17
D277030 Massager — 1985-01-01
D263623 Massager — 1982-03-30