Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5331098 | Mono- and di(functionally-substituted phenylene) semi-rigid crowns and precursors thereof | Harry W. Gibson | 1994-07-19 |
| 5302729 | Dibenzo crown monomers and polymers formed therefrom | Harry W. Gibson | 1994-04-12 |