Bentzen-Bilkvist; Ib
Patent Applications and Registrations
Patent applications and USPTO patent grants for Bentzen-Bilkvist; Ib.The latest application filed is for "venturi barge unloading system".
- Bentzen-Bilkvist; Ib - Ann Arbor MI
| Patent | Date |
|---|---|
| Venturi barge unloading system Grant 4,362,442 - Bentzen-Bilkvist , et al. December 7, 1 | 1982-12-07 |
| Constant vacuum barge unloading system Grant 4,264,243 - Bentzen-Bilkvist * April 28, 1 | 1981-04-28 |
| Aerating barge unloading system Grant 4,127,307 - Bentzen-Bilkvist * November 28, 1 | 1978-11-28 |
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