Van Der Veen; Siebren C.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Van Der Veen; Siebren C..The latest application filed is for "continuously variable transmission with forward and reverse gearing".
- Van Der Veen; Siebren C. - Veldhoven NL
| Patent | Date |
|---|---|
| Continuously variable transmission with forward and reverse gearing Grant 4,919,007 - Van Der Hardt Aberson , et al. April 24, 1 | 1990-04-24 |
| Transmission Grant 4,852,427 - van der Veen August 1, 1 | 1989-08-01 |
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