CARD-LIKE OBJECT WITH INVISIBLE INDICIA AND APPARATUS FOR DETECTING AND DISPLAYING SAME

Title:

CARD-LIKE OBJECT WITH INVISIBLE INDICIA AND APPARATUS FOR DETECTING AND DISPLAYING SAME

United States Patent 3466775

US Patent References:
Record card controlled machine
- - 2294751

Data processing
- - 3045529

Data processing
- - 3096882

Credential
- - 3279826

Inventors:

Smith, Melville H.

Publication Date:

09/16/1969

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Assignee:

Melville, Smith H.

Primary Class:

40/463

Other Classes:

235/475, 235/492, 235/484, 40/476, 273/139, 235/441, 283/901, 283/89, 250/271

International Classes:

A63F3/06; G07C15/00; G09F11/14