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Robert C. Lamb Jr.
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Springfield, PA, US
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last 30 patents
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Patent Grant
Coin mechanism with a piezoelectric film sensor
Patent number
6,138,813
Issue date
Oct 31, 2000
Mars, Incorporated
Robert C. Lamb
G07 - CHECKING-DEVICES
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Patent Grant
Coin operated telephone auditor
Patent number
6,052,453
Issue date
Apr 18, 2000
Mars Incorporated
Cary M. Sagady
G07 - CHECKING-DEVICES
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Patent Grant
Coin operated telephone auditor
Patent number
5,896,446
Issue date
Apr 20, 1999
Mars Incorporated
Cary M. Sagady
G07 - CHECKING-DEVICES