DJ

David Robert Jeffery

MT Mack Trucks: 2 patents #23 of 132Top 20%
Overall (All Time): #2,070,433 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8424977 Front towing glad hands Keith Alan Hurlburt 2013-04-23
5458402 Fail safe work brake system — 1995-10-17