Patents by Inventor Salomon R. Frid

Salomon R. Frid has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Information and protection system for checks and credit cards
    Patent number: 4472626
    Abstract: A verification system for checks and credit cards is operable for accepting a credit card and transaction receipt, or for accepting a check and an identification card, for transmitting data to a remote verification system and for receiving acceptance or rejection instructions for the transactions based on verification of credit funds availability, and for recording symbols on the transaction receipt or the check.
    Type: Grant
    Filed: January 12, 1982
    Date of Patent: September 18, 1984
    Inventor: Salomon R. Frid