Thomas W. Bunyan — 6 Patents at Pilgrim Engineering Developments

Thomas W. Bunyan has been granted 6 US patents while listed as an inventor at Pilgrim Engineering Developments. The first was granted in 1980 and the most recent in September 1988. Thomas W. Bunyan ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Thomas W. Bunyan in London, GB.

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #	Title	Co-Inventors	Date
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

Thomas W. Bunyan — 6 Patents

Issued Patents All Time

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