CA Patent: CA-107,693
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| Lifting jack
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Patentees:
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| Richard Orion Hopkinson (exact or similar names) - Waterville, QC Canada |
| Robert Lavers Edgecomb (exact or similar names) - Waterville, QC Canada |
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Patent Dates:
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| Granted: |
Oct. 01, 1907 |
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Patent Pictures:
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1 | 2
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CIPO Data
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Jeff Joslin
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Description: |
| An advertisement in the January 1911 Canadian Machinery shows this lifting jack, complete with patent date. "H & E patent ball bearing lifting jacks for Railway Work, Contractors' and Builders' Use. These Jacks are built of the best grades of malleable iron and steel, and for speed, convenience or durability are unequalled. Made in plain and foot lift styles, fully guaranteed. Manufactured by H & E Lifting Jack Company". |
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