Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875287 | Shaving articles lubricious when wet and compositions therefor | Donald H. Lorenz | 1989-10-24 |
| 4847324 | Hydrophilic polyvinylbutyral alloys | — | 1989-07-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875287 | Shaving articles lubricious when wet and compositions therefor | Donald H. Lorenz | 1989-10-24 |
| 4847324 | Hydrophilic polyvinylbutyral alloys | — | 1989-07-11 |