Duane DeJong — 5 Patents at Unknown

Duane DeJong has been granted 5 US patents while listed as an inventor at Unknown. The first was granted in 2004 and the most recent in August 2007. Duane DeJong ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Duane DeJong in Elk Grove, CA, US.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #	Title	Co-Inventors	Date
7261309	Wheelchair drive mechanism	Brian M. Watwood, Errol C. Armstrong	2007-08-28
6893035	Wheelchair drive mechanism	Brian M. Watwood, Errol C. Armstrong	2005-05-17
D504041	Towel dispenser	James P. Dudley, Jubal DeLong, Victor T. Robinson	2005-04-19
6755430	Wheelchair drive assembly	Brian M. Watwood, Errol C. Armstrong, Dayn E. Beals	2004-06-29
D488747	Bicycle training wheel assembly	James P. Dudley, Victor T. Robinson, Jubal DeLong	2004-04-20

Duane DeJong — 5 Patents

Issued Patents All Time

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