Toffolon; Roger L.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Toffolon; Roger L..The latest application filed is for "lifting device for massive precast concrete wall units".
- Toffolon; Roger L. - Stuart FL
- Toffolon; Roger L. - Hartford CT
| Patent | Date |
|---|---|
| Lifting device for massive precast concrete wall units Grant 4,474,400 - Toffolon October 2, 1 | 1984-10-02 |
| Lifting device Grant D274,762 - Toffolon July 17, 1 | 1984-07-17 |
| Precast concrete structural unit and composite wall structure Grant 4,372,091 - Brown , et al. February 8, 1 | 1983-02-08 |
| Multi-part form with improved tie and stripping means Grant 4,351,507 - Toffolon , et al. September 28, 1 | 1982-09-28 |
| Method for precasting concrete products Grant 4,196,161 - Toffolon , et al. April 1, 1 | 1980-04-01 |
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