Rohrer; David C.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Rohrer; David C..The latest application filed is for "track belt placer for placing construction materials and method for placing construction materials".
- Rohrer; David C. - Albia IA
- Rohrer; David C. - Gaston OR
| Patent | Date |
|---|---|
| Track belt placer for placing construction materials and method for placing construction materials Grant 6,422,785 - Ruggles , et al. July 23, 2 | 2002-07-23 |
| Tennis ball retriever Grant 4,721,428 - Rohrer , et al. January 26, 1 | 1988-01-26 |
| General purpose exercise machine Grant 4,684,126 - Dalebout , et al. August 4, 1 | 1987-08-04 |
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