Does anyone know of a good website (or other resource) for searching
U.S. patents by number.  The few sites that I have found date back to 1971
at the earliest.  I need years between 1920 and 1950.

Thanks,

William Scott
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William Philip Scott                     |
Collections Manager and Office Assistant |
Mathers Museum of World Cultures         |
Indiana University                       |
601 East Eighth Street                   |
Bloomington, IN 47405                    |
Email: [log in to unmask]                |
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