John E. Brelsford — 3 Patents at Sperry

John E. Brelsford has been granted 3 US patents while listed as an inventor at Sperry. The first was granted in 1982 and the most recent in July 1984. John E. Brelsford ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list John E. Brelsford in Terre Hill, PA, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
4459079	Unloading auger control system	Emmett F. Glass	1984-07-10	$5,282,000
4455922	Unloading auger control system	Emmett F. Glass	1984-06-26	$2,814,000
RE31063	Adjustable width row crop header	James G. Greiner, Louis R. Thomas, Jr.	1982-10-26

John E. Brelsford — 3 Patents

Issued Patents All Time

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