DP

Dennis W. Pierog

RC Robertshaw Controls: 3 patents #82 of 302Top 30%
📍 Hoffman Estates, IL: #251 of 707 inventorsTop 40%
🗺 Illinois: #26,653 of 84,256 inventorsTop 35%
Overall (All Time): #1,540,330 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D677754 Housing for a device with dual solenoid valves James D. Kimble 2013-03-12
7712483 Adjustable seat valve with debris trap Luke Nigliazzo 2010-05-11
6789572 Control valve with integral solenoid and regulator for gas appliances Tam Nguyen, Ronald S. Joyce, Paul Schneider 2004-09-14