Episode 1 of 1
Patent Grant
- When
- January 8, 1889
- Where
- United States
Hollerith was issued U.S. patents, including Patent 395,782, on January 8, 1889, for his electromechanical tabulating machines.
Hollerith had left teaching and began working for the United States Census Bureau in the year he filed his first patent application. Patent 395,782 was granted on January 8, 1889. He was awarded three patents in 1889 for electromechanical tabulating machines.
Sources
- Herman Hollerith Wikipedia, revision of 2026-02-24
- Punched card Wikipedia, revision of 2026-10-06
Machine-drafted from the cited Wikipedia passages and checked by a reviewing model, not by a human editor. Every passage cites the revision it was written from; dates and places follow those passages.