RS

Robert W. Smetters

VM Val-Matic Valve & Manufacturing: 2 patents #3 of 8Top 40%
📍 Schaumburg, IL: #497 of 1,089 inventorsTop 50%
🗺 Illinois: #34,584 of 84,256 inventorsTop 45%
Overall (All Time): #2,261,610 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5769429 Seat for air valves Ted J. Makowan 1998-06-23
5261449 Quick change coupling for tilted disc check valve with top mounted dashpot — 1993-11-16