John E. Betts — 2 Patents at Thomas Industries

John E. Betts has been granted 2 US patents while listed as an inventor at Thomas Industries. The first was granted in 1989 and the most recent in February 1992. John E. Betts ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list John E. Betts in Garden Grove, CA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
5085474	Reversible door latch opener	George F. Toledo	1992-02-04	$1,340,000
4839988	Panic exit device	George F. Toledo	1989-06-20	$1,069,000

John E. Betts — 2 Patents

Issued Patents All Time

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