DS

Daniel J. Schaefer

SS Span-America Medical Systems: 1 patents #1 of 5Top 20%
📍 Vandalia, OH: #3 of 17 inventorsTop 20%
🗺 Ohio: #715 of 3,574 inventorsTop 25%
Overall (1989): #121,804 of 140,708Top 90%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4862538 Multi-section mattress overlay for systematized pressure dispersion Donald C. Spann, Thomas A. Krouskop 1989-09-05