Issued Patents All Time
Showing 76–84 of 84 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849271 | Process for producing mats for cleaning purposes and mat for cleaning purposes | — | 1989-07-18 |
| 4823458 | Foam bodied hair curler | Detlef Hollenberg, Hans Schneider | 1989-04-25 |
| 4807938 | Process for producing bristle articles | — | 1989-02-28 |
| 4804232 | Process and apparatus for producing bristle tuft material and single bristles from synthetic resin | — | 1989-02-14 |
| 4749233 | Method for the manufacture of bristle products | — | 1988-06-07 |
| 4646381 | Toothbrush | — | 1987-03-03 |
| 4637660 | Method for connecting bristles to a bristle carrier | — | 1987-01-20 |
| 4589791 | Device having synthetic bristles butt welded to support plate | — | 1986-05-20 |
| 4237573 | Device for releasably securing a cleaning implement to a handle | — | 1980-12-09 |