Ristvedt-Johnson, Inc.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ristvedt-Johnson, Inc..The latest application filed is for "wrapped coin roll and method of forming same".
- Ristvedt-Johnson, Inc. - Mt. Prospect IL
- Ristvedt-Johnson, Inc. - Mount Prospect IL
- Ristvedt-Johnson, Inc. - Manchester TN
| Patent | Date |
|---|---|
| Wrapped coin roll and method of forming same Grant 4,765,464 - Ristvedt * August 23, 1 | 1988-08-23 |
| Coin sorter Grant 4,731,043 - Ristvedt , et al. March 15, 1 | 1988-03-15 |
| Coin wrapping mechanism Grant 4,718,218 - Ristvedt January 12, 1 | 1988-01-12 |
| Coin sorting system with controllable stop Grant 4,564,036 - Ristvedt January 14, 1 | 1986-01-14 |
| Coin handling machine Grant 4,549,561 - Johnson, deceased , et al. * October 29, 1 | 1985-10-29 |
| Coin handling machine Grant 4,531,531 - Johnson, deceased , et al. July 30, 1 | 1985-07-30 |
| Coin handling machine Grant 4,444,212 - Ristvedt , et al. * April 24, 1 | 1984-04-24 |
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