Woltman; Robert B.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Woltman; Robert B..The latest application filed is for "fish culture system".
- Woltman; Robert B. - Newberry Springs CA
| Patent | Date |
|---|---|
| Fish culture system Grant 5,014,647 - Woltman May 14, 1 | 1991-05-14 |
| Treating means for bodies of water Grant 4,308,138 - Woltman December 29, 1 | 1981-12-29 |
| Treating device for large bodies of water Grant 4,226,719 - Woltman October 7, 1 | 1980-10-07 |
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