Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D353225 | Nit comb | Janet H. Merrill, Athanasios S. Ladas | 1994-12-06 |
| 5338538 | Prebrushing pyrophosphate-containing liquid oral compositions | Robert E. Tricca, Catherine L. Gray | 1994-08-16 |