George D Ruck, 80Parkton, MD
George Ruck Phones & Addresses
Parkton, MD
27 Highland Ave, Ormond Beach, FL 32174
307 Jessamine Blvd, Daytona Beach, FL 32118 386-2583790
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Us Patents
Automatic Date-Stamping System For Vehicles Entering Parking Areas
US Patent:
4029007, Jun 14, 1977
Filed:
Oct 24, 1975
Appl. No.:
5/625566
Inventors:
Armand L. Levinson - Baltimore MD
Donald W. Heinerichs - Baltimore MD
George Ruck - Towson MD
Donald W. Heinerichs - Baltimore MD
George Ruck - Towson MD
International Classification:
B41F 1700
US Classification:
101 42
Abstract:
An automatic date-stamping system for vehicles entering a parking area for a relatively long period of time, i. e. , for more than one day rather than several hours, so that the accumulated charges of the parking costs at the time of leaving, are easily and reliably determinable. The date is stamped automatically on the side-wall of a tire of the vehicle in invisible ink, so as not to mar the appearance of the vehicle, before the blocking and/or signalling means are operated to permit entry of the vehicle into the parking area. Exposure of the date-imprint to ultra-violet light or other rays to which the printing ink is responsive, renders it visible for reading at the time of leaving the parking area, or before that time, if such is necessary.
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