Patents per Year
Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5006661 | Selective stereospecific biologically active beta-lactams | Richard A. Day | 1991-04-09 | |
| 4855419 | Application of 4-[1-oxoalkyl]-2,5-oxazolidinediones in selective stereospecific formation of biologically active .alpha.-lactams | Richard A. Day | 1989-08-08 | |
| 4692578 | Universal matrix switching device | — | 1987-09-08 | $10,059,000 |
| 4618755 | Universal matrix switching device | — | 1986-10-21 | $15,612,000 |