Richard D. Primdahl

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Hoffman Estates, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Coin sorter with counter and brake mechanism
- Patent number RE34934
- Issue date May 9, 1995
- Donald E. Raterman
- 453 - Coin handling
Information Patent Grant
Coin sorter with counter and brake mechanism
- Patent number 5,055,086
- Issue date Oct 8, 1991
- Cummins-Allison Corporation
- Donald E. Raterman
- G07 - CHECKING-DEVICES
Information Patent Grant
Coin sorter with counter and brake mechanism
- Patent number 4,921,463
- Issue date May 1, 1990
- Cummins-Allison Corporation
- Richard D. Primdahl
- G07 - CHECKING-DEVICES