Maillefer; Charles
Patent Applications and Registrations
Patent applications and USPTO patent grants for Maillefer; Charles.The latest application filed is for "screw-type plastics extruder".
- Maillefer; Charles - St-Sulpice CH
- Maillefer; Charles - Lausanne CH
- Maillefer; Charles - Renens CH
| Patent | Date |
|---|---|
| Screw-type plastics extruder Grant 4,154,535 - Maillefer May 15, 1 | 1979-05-15 |
| Manufacture of extruded products Grant 4,117,195 - Swarbrick , et al. September 26, 1 | 1978-09-26 |
| Cable-winding machine Grant 3,948,462 - Maillefer April 6, 1 | 1976-04-06 |
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