Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875277 | Formed metal core blocking method | Richard W. Martin, John L. Fisher, Randall L. Schlake, Ronald F. Dornbrock, James D. Richerson +1 more | 1989-10-24 |
| 4833436 | Formed metal core blocking | Richard W. Martin, John L. Fisher, Randall L. Schlake, Ronald F. Dornbrock, James D. Richerson +1 more | 1989-05-23 |
| 4761629 | Injection moldable core insulation tubes | Richard W. Martin, Herbert J. Macemon | 1988-08-02 |