WD

William J. Dartnall

📍 Jigalong, AU: #13 of 207 inventorsTop 7%
Overall (All Time): #1,054,989 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5492342 Seal Stanley Nowak 1996-02-20
5152537 Seal 1992-10-06
5119858 Valve 1992-06-09
5063792 Rotary/reciprocatory motion converter David J. Langridge 1991-11-12
4762474 Pump having reciprocating pipe and slidably supported hollow body 1988-08-09