DB

Donald R. Barnhill

BC B&W Metals Company: 4 patents #1 of 1Top 100%
🗺 Ohio: #42 of 2,550 inventorsTop 2%
Overall (1982): #2,410 of 81,411Top 3%
4
Patents 1982

Issued Patents 1982

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D264907 Combined rotating cafeteria type food service counter and display shelf 1982-06-15
4325491 Pressure cooker closure fastening means 1982-04-20
D263263 Combined rotating cafeteria type food service counter and cap 1982-03-09
D263305 Pressure cooker 1982-03-09