John Hart — 3 Patents at Unknown

John Hart has been granted 3 US patents while listed as an inventor at Unknown. The first was granted in 2002 and the most recent in August 2008. John Hart ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list John Hart in Galloway, OH, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
7416189	Vehicle ride control system	Michael Wilde, Abhinav Kumar	2008-08-26
7198484	System to automatically extinguish a candle	Richard N. Rucker	2007-04-03
6494708	Safety device for candles	Richard N. Rucker	2002-12-17

John Hart — 3 Patents

Issued Patents All Time

Patent Widget