Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884489 | High performance electromagnetic railgun launcher | Raymond C. Zowarka, Damon A. Weeks, William F. Weldon, John H. Gully, Mike L. Spann +1 more | 1989-12-05 |
JU
Jim L. Upshaw
Overall (1989): #96,884 of 140,708Top 70%
1
Patents 1989