Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4239560 | Open tube aluminum oxide disc diffusion | Mike F. Chang, Richard W. Kennedy, Alfred Roesch, Henri B. Assalit | 1980-12-16 |
| 4233934 | Guard ring for TGZM processing | Thomas R. Anthony, Harvey E. Cline, Mike F. Chang | 1980-11-18 |