DB

David Biggs

Overall (All Time): #1,897,254 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10544583 Prefabricated masonry walls Dave Muirhead, Jim Gendron, Stephen M. Winter 2020-01-28
D371083 Survey marker driving tool 1996-06-25