WI

William James Irwin

RC Resources Conservation: 1 patents #8 of 13Top 65%
Overall (All Time): #821,958 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10941889 Pipe coupling William Alexander Canning 2021-03-09
8052177 Pipe coupling 2011-11-08
6317950 Pipe crimping apparatus 2001-11-20
5271257 Pipe crimping apparatus 1993-12-21
5108134 Pipe connections 1992-04-28
4324599 Gelled slurry explosive Kenneth A. Range, Russell Reed, Jr., Wallace E. Silver 1982-04-13