Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868024 | Medico-surgical and sanitary articles and materials | David E. Cross | 1989-09-19 |
| 4847120 | Compositions and processes producing scratch resistant polysiloxane coatings | — | 1989-07-11 |