DR

Derek Richner

HD Hand Tool Design: 2 patents #11 of 29Top 40%
Overall (All Time): #2,250,101 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5913954 Pawl for a low profile wrench Robert L. Arnold, Dana L. Delaney, James A. Van Lenten 1999-06-22
5829326 Cover plate for a ratchet wrench 1998-11-03