WD

William R. Dinsmore

PL Powertech Labs: 2 patents #1 of 23Top 5%
Overall (All Time): #2,331,920 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4854074 Injection capsule for treating trees Robert E. Johnson 1989-08-08
4848028 Injection tool for treating trees Robert E. Johnson, Christopher I. Hunt 1989-07-18