Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4567954 | Replaceable nozzles for insertion into a drilling bit formed by powder metallurgical techniques and a method for manufacturing the same | Jerry L. Robin, Lorenzo G. Lovato, Robert J. Balkenbush, Joseph D. McDermaid | 1986-02-04 |