HW

Herman D. Wiser

CC Chatleff Controls: 3 patents #1 of 3Top 35%
Overall (All Time): #1,026,189 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7823395 Universal coupling device — 2010-11-02
7392664 Universal coupling device — 2008-07-01
6805384 Sealing mechanism — 2004-10-19
6442966 Fixed orifice expansion device — 2002-09-03
5131695 Coupling with teflon seat — 1992-07-21