Van Weezenbeek; Reijer N.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Van Weezenbeek; Reijer N..The latest application filed is for "device for the displacement of sediment under water and process for the use of such a device".
- Van Weezenbeek; Reijer N. - 3235 NS Rockanje NL
- van Weezenbeek; Reijer N. - 3535 NS Rockanje NL
| Patent | Date |
|---|---|
| Device for the displacement of sediment under water and process for the use of such a device Grant 4,943,186 - Van Weezenbeek July 24, 1 | 1990-07-24 |
| Method for removing sludge or mud from the bottom of a water area Grant 4,604,000 - van Weezenbeek August 5, 1 | 1986-08-05 |
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