Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6001202 | Method for attaching a fastener to a surface treating article, and such an article having a fastener | Kenneth L. Penttila, Gerald R. Porter | 1999-12-14 |
| 5931729 | Article made by spin welding a fastener thereto | Kenneth L. Penttila, Gerald R. Porter | 1999-08-03 |
| 5449865 | Ear tips having molded-in recesses for attachment to a stethoscope | Brian J. Kompelien | 1995-09-12 |