Kupperman; Dennis I.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kupperman; Dennis I..The latest application filed is for "mechanism for forming a loop in a rope or the like".
- Kupperman; Dennis I. - Glenview IL
- Kupperman; Dennis I. - Skokie IL
| Patent | Date |
|---|---|
| Mechanism for forming a loop in a rope or the like Grant 4,105,349 - Kupperman , et al. August 8, 1 | 1978-08-08 |
| Toy object that repeatedly submerges and rises in the water Grant 4,052,812 - Kupperman , et al. October 11, 1 | 1977-10-11 |
| Plastic toy integrally formed and molded with a propeller and means for attaching the toy to a support member Grant 4,031,656 - Kupperman , et al. June 28, 1 | 1977-06-28 |
| Means for supporting a strip or length of dental floss in tensioned and taut condition for ready use Grant 4,004,597 - Kupperman , et al. January 25, 1 | 1977-01-25 |
| Push-pull type of exercising device supported entirely by the body Grant 3,999,752 - Kupperman , et al. December 28, 1 | 1976-12-28 |
| Knockdown Kite Grant 3,856,241 - Kupperman , et al. December 24, 1 | 1974-12-24 |
| Crumb Sweeper And The Like Grant 3,772,726 - Kupperman , et al. November 20, 1 | 1973-11-20 |
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