Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885289 | Alteration of character of male beard growth | Edwin G. Kaszynski, Douglas Shander, Vera R. Usdin, Hermes van der Lee | 1989-12-05 |
| 4802255 | Novel brush filaments | Joseph A. Hanak | 1989-02-07 |