Pfaffle; Ernst
Patent Applications and Registrations
Patent applications and USPTO patent grants for Pfaffle; Ernst.The latest application filed is for "method and construction for binding calendars and the like".
- Pfaffle; Ernst - Wuerttemberg DE
- Pfaffle; Ernst - Neuffen DE1
- Pfaffle; Ernst - Neuffen-Wuerttemberg DT
| Patent | Date |
|---|---|
| Method and construction for binding calendars and the like Grant 4,208,750 - Pfaffle June 24, 1 | 1980-06-24 |
| Arrangement for perforating and spiral binding of relatively thick groups of sheets Grant 4,129,913 - Pfaffle December 19, 1 | 1978-12-19 |
| Lift Forming Device For Book Punching Machine Grant 3,757,970 - Pfaffle September 11, 1 | 1973-09-11 |
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