Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7083849 | Breathable polymer foams | Bonnie Weiskopf Albrecht, Mark D. Gehlsen, David L. Vall, Bryan C. Feisel | 2006-08-01 |
| 5685935 | Method of preparing melt bonded nonwoven articles | Raymond F. Heyer | 1997-11-11 |
| 5025596 | Hand scouring pad | Raymond F. Heyer | 1991-06-25 |
| 4991362 | Hand scouring pad | Raymond F. Heyer | 1991-02-12 |