Vintage Electronic Calculators: CALCUSEUM Home page
| Alfabetical Brand/Type List Criteria: Patent-info |
AKA (Also Known As) | Label on Back | Product Number | Year of introduction | Classification |
| (Patents): 3654449(US): Calculator Input | 04-apr-1972 | Documentation / Patent-info | |||
| (Patents): 3777126(US): Measurement Tranducer Calculator Interface | 04-dec-1973 | Documentation / Patent-info | |||
| (Patents): 3813533(US): Clock Calculator | 28-may-1974 | Documentation / Patent-info | |||
| (Patents): 3819921(US): Miniature Electronic Calculator | 25-jun-1974 | Documentation / Patent-info | |||
| (Patents): 3821715(US): Memory system for a Multi-chip Digital Computer | 28-jun-1974 | Documentation / Patent-info | |||
| (Patents): 4001566(US): Floating point calculator with RAM Shift register | 04-jan-1977 | Documentation / Patent-info | |||
| 07-mar-2025: (6 Items). | |||||
| Do you know about any models not listed here ?, please do mail me or send me a picture of the device... I'll be more than happy to publish the info and mention your name for credit ... thank you ! | |||||
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