TB

Thomas W. Bunyan

PD Pilgrim Engineering Developments: 6 patents #1 of 1Top 100%
Overall (All Time): #895,166 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
4773146 Multi-stud tensioners — 1988-09-27
4380181 Stud manipulating device — 1983-04-19
4326826 Bolts and methods of bolting — 1982-04-27
4281580 Tensioning devices — 1981-08-04
4226444 Pipe joints — 1980-10-07
4182518 Sealing arrangements — 1980-01-08