KM

Kenneth Madden

PC Parker & Harper Companies: 3 patents #3 of 3Top 100%
📍 Candia, NH: #11 of 35 inventorsTop 35%
🗺 New Hampshire: #3,397 of 12,181 inventorsTop 30%
Overall (All Time): #1,233,742 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8210499 Automated ball valve and actuator Daniel J. Harris 2012-07-03
7654504 Power actuated valve 2010-02-02
7040670 Coupling apparatus 2006-05-09
5772177 Valve latching device for single handed operation David G. Holloway, Roger G. Massey 1998-06-30