US Patent: 1,410,390
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| Jar Clamp
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Patent Dates:
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| Applied: |
Jan. 12, 1921 |
| Granted: |
Mar. 21, 1922 |
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Patent Pictures:
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John Dudek patent March 21, 1922 |
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Stan Schulz
"DUDEK" Jar wrench & Jar Clamp (1922 ad)
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Description: |
| Closing the handles advances a metal "pusher" against the canvas gripping strap. A secondary lever handle within one primary handle adjusts the length of the strap.
Known example produced by Dudek at Lincoln, NE. A known example of Dudek's cap wrench (pat. no. 1,363,316) has no visible markings. These appear in a full page ad in the June 1922 NEBRASKA IRONMONGER as "DUDEK" CAP WRENCH and JAR CLAMP, with address 2222 Y Street, Lincoln, Nebraska. |
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