Dorcel Warren Knapp — 3 Patents at Unknown

Dorcel Warren Knapp has been granted 3 US patents while listed as an inventor at Unknown. The first was granted in 1989 and the most recent in September 2001. Dorcel Warren Knapp ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Dorcel Warren Knapp in Fults, IL, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
6293389	En masse bulk material conveyor apparatus	William McLean, II	2001-09-25
6220425	Bucket elevator	—	2001-04-24
4799584	Drive mechanism for bucket elevators	Hendrik Hartsuiker	1989-01-24	$84,000

Dorcel Warren Knapp — 3 Patents

Issued Patents All Time

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