Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4465387 | Daisy wheel mounting apparatus | Alan F. Seitz | 1984-08-14 |
| 4389007 | Manually assemblable and disassemblable sheet-feed tractor employing improved clamp assembly | — | 1983-06-21 |
| 4325869 | Novel dyes, their preparation and use | Henri Riat, Karl Hoegerle | 1982-04-20 |
| 4288187 | Arrangement for producing grooves | Karl Wanner, Wilbert Reibetanz, Hans-Peter Dohse, Otto Baumann, Dietmar Spiwokz +2 more | 1981-09-08 |
| 4283331 | Azo dyes, their preparation and use | Dieter Mausezahl | 1981-08-11 |
| 4270918 | Reactive dyes, processes for their production and use thereof | — | 1981-06-02 |
| 4250971 | Particulate material intercepting arrangement for a hand-held tool | Wilbert Reibetanz, Horst Sigg, Herbert Wiesner, Karl Wanner, Gernot Hansel +1 more | 1981-02-17 |
| 4243809 | Process for the production of pyridone compounds | — | 1981-01-06 |
| 4228071 | Triazine containing fiber-reactive disazo dyestuffs | Henri Riat | 1980-10-14 |
| 4207953 | Particulate material intercepting arrangement for a hand held tool | Wilbert Reibetanz, Horst Sigg, Herbert Wiesner, Karl Wanner, Gernot Hansel +1 more | 1980-06-17 |