FB

Frank B. Burkdoll

ET Explosive Technology: 4 patents #1 of 3Top 35%
📍 Fairfield, CA: #47 of 240 inventorsTop 20%
🗺 California: #124,610 of 386,348 inventorsTop 35%
Overall (All Time): #1,305,665 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4688466 Explosive initiator and method Harold W. Hannagan 1987-08-25
4664033 Pyrotechnic/explosive initiator Harold W. Hannagan 1987-05-12
4272102 Coupling device for ignitive reactions 1981-06-09
4209823 Pyrotechnic light source 1980-06-24