DD

Duane DeJong

UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #1,033,207 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
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