Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6453817 | Shaped charge capsule | Daniel C. Markel, Karen M. Spenley, David E. Sewell | 2002-09-24 |
CS
Charles A. Sjogren
Overall (All Time): #3,558,187 of 4,157,543Top 90%
1
Patents All Time