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SOURCE: United States Patent and Trademark OfficeResults: 21 - 26 of 26 total
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Date | Format | Image | Collection | |
May 13, 1856 | Patent | Document | ||
June 19, 1894 | Patent | Visual Still | ||
June 19, 1894 | Patent | Visual Still | ||
December 25, 1894 | Patent | Visual Still | ||
December 25, 1894 | Patent | Visual Still | ||
May 13, 1856 | Patent | Visual Still |