WS

William L. Schroer

EM Elkay Manufacturing: 3 patents #44 of 119Top 40%
🗺 Illinois: #26,653 of 84,256 inventorsTop 35%
Overall (All Time): #1,666,840 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4902320 Bottled water cooler air filter Kraig S. Kniss 1990-02-20
4834267 Bottled water cooler air filter Kraig S. Kniss 1989-05-30
4629096 Liquid dispenser with readily removable liquid container Edward H. Donselman 1986-12-16