| Thomas Clarke Theaker | |
|---|---|
| Member of the U.S. House of Representatives from Ohio's 17th district |
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In office March 4, 1859 – March 3, 1861 |
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| Preceded by | William Lawrence |
| Succeeded by | James R. Morris |
| Commissioner of United States Patent Office | |
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In office August 17, 1865 – January 20, 1868 |
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| Appointed by | Andrew Johnson |
| Preceded by | David P. Holloway |
| Succeeded by | Elisha Foote |
| Personal details | |
| Born |
February 4, 1812 York, Pennsylvania |
| Died | July 16, 1883 (aged 71) Oakland, Maryland |
| Resting place | Weeks Cemetery, Bridgeport, Ohio |
| Political party | Republican |
Thomas Clarke Theaker (February 4, 1812 – July 16, 1883) was a U. S. Congressman and commissioner of the United States Patent Office.
Theaker was a native of York, Pennsylvania, but moved to Bridgeport, Ohio, in 1830, where he became a wheelwright and machinist. Elected as a Republican to represent the Seventeenth Congressional District of Ohio to the Thirty-Sixth Congress. He failed to win re-election in 1860, but was appointed to a seat on the U.S. Patent Office's Board of Appeals. On August 15, 1865, he was appointed commissioner of the Patent Office, a post he held until his resignation in January 1868.