Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5470945 | Thermally reversible isocyanate-based polymers | Richard A. Markle, Phyllis L. Brusky, George E. Cremeans, Joel D. Elhard, Donald M. Bigg | 1995-11-28 |
| 5387667 | Thermally-reversible isocyanate-based polymers | Richard A. Markle, Joel D. Elhard, Donald M. Bigg, Phyllis L. Brusky, George E. Cremeans | 1995-02-07 |
| 4800066 | End of life indicator for automatic toilet cleaning devices | Richard G. Sinclair | 1989-01-24 |
| 4698415 | Method for the preparation of polyarylene sulfide with aqueous polyethylene glycol mixture | Richard G. Sinclair, Herman P. Benecke | 1987-10-06 |