William E. Hengst — 2 Patents at Unknown

William E. Hengst has been granted 2 US patents while listed as an inventor at Unknown. The first was granted in 1983 and the most recent in October 1990. William E. Hengst ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list William E. Hengst in Exeter, CA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
PP7348	Bill Hengst October Gem Plum	—	1990-10-09
PP4977	Plum tree	—	1983-01-25

William E. Hengst — 2 Patents

Issued Patents All Time

Patent Widget