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Coin handling machine
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Patent number 4,549,561
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Issue date Oct 29, 1985
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Ristvedt-Johnson, Inc.
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Roy B. Johnson
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G07 - CHECKING-DEVICES
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Coin handling machine
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Patent number 4,531,531
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Issue date Jul 30, 1985
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Ristvedt-Johnson, Inc.
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Roy B. Johnson
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G07 - CHECKING-DEVICES
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Coin handling machine
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Patent number 4,444,212
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Issue date Apr 24, 1984
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Ristvedt-Johnson, Inc.
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Victor G. Ristvedt
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G07 - CHECKING-DEVICES
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Coin handling machine
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Patent number 4,234,003
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Issue date Nov 18, 1980
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Victor G. Ristvedt
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G07 - CHECKING-DEVICES
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Coin handling machine
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Patent number 4,098,280
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Issue date Jul 4, 1978
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Victor G. Ristvedt
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G07 - CHECKING-DEVICES
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Coin sorting machine
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Patent number 4,086,928
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Issue date May 2, 1978
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Victor G. Ristvedt
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G07 - CHECKING-DEVICES