US Patent: 829,238
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Lifting-jack
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Patentee:
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Edwin E. Thomas (exact or similar names) - Portland, OR |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Mar. 12, 1906 |
Granted: |
Aug. 21, 1906 |
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Jeff Joslin
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Description: |
The inventor was a prolific designer of sawmill machinery. This jack was designed to lift low loads but keep the operator a safe distance from the load, e.g., when positioning the jack. The jack also lifts across a width so that one jack can safely lift a load prone to tipping, such as a lumber stack. |
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