Henry Astle — 6 Patents at Tri Tool

Henry Astle has been granted 6 US patents while listed as an inventor at Tri Tool. The first was granted in 1982 and the most recent in September 1997. Henry Astle ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Henry Astle in Rancho Cordova, CA, US.

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #	Title	Co-Inventors	Date
5671646	Tube end squaring tool	William E. Sandford	1997-09-30
D383960	Tube end squaring tool	William E. Sandford	1997-09-23
5515756	Roller cutter module with force equalizer	William E. Sandford	1996-05-14
5429021	Elliptical manway cutter	Clement Tremblay	1995-07-04
4667548	End preparation tool for pipe fittings	Jerald VanderPol, Randall Schuster, Terry B. Linton	1987-05-26
D264678	Pipe end preparation tool	John E. Pertle	1982-06-01

Henry Astle — 6 Patents

Issued Patents All Time

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