| Patents for G07D 7 - Testing specially adapted to determine the identity or genuineness of paper currency or similar valuable papers, e.g. for segregating those which are unacceptable or alien to a currency (13,602) | |
|---|---|
| 01/1976 | |
| 01/13/1976 | US3932272 Currency processing |
| 01/06/1976 | US3930582 System for testing paper money and the like |