JD

John Derven

BD Burley Design: 1 patents #20 of 31Top 65%
Overall (All Time): #3,666,447 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5979921 Folding bicycle trailer Donald A. George, James Peter Lewontin, Patrick Logan 1999-11-09