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Publications Index: 1912 Patents Category: Chronological Archive Contents: 3 pages ยท 1 patent Page Sections: 23 April |
| 23 April 1912 | Document Name & Details | Documents |
|---|---|---|
| 23 April 1912 | Casing for Universal Joints for Automobiles. United States Patent US 1,024,132 James G. Heaslet |  PDF - 285KB - 3 pages |