Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4820859 | Process for the production of high energy material | Ross W. Millar, Norman C. Paul | 1989-04-11 |
| D299747 | Electrotherapy treatment cabinet | John H. Wilson, Kenneth W. Coffey, Toby E. Smith, Maqsood Mohd, Lee Cody | 1989-02-07 |