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Today marks the 106th anniversary of IBM's first patent
- 68c12c16 9y agoThe patent is on a perforating machine, which could be regarded as a predecessor of the punch card machine (the punch card is referred to as the "perforated card" in the patent)... A copy of the patent document could be found here... https://www.google.com/patents/US998631 https://www.google.com/patents/US998631