When was the rolodex invented?
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The first patent for a rotary card file system was granted to Hildaur Neilsen in 1954, even though Arnold Neustadter is often credited for the invention. Neilsen’s invention was designed to store and organize index cards with contact information, making it easier for users to quickly access the information they needed.
Fairfax Media/Getty Images
Fairfax Media/Getty Images
When was the rolodex invented?
- 1950
- 1930
- 1900
- 1970
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