US Patent: 460,020
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Plow
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Patentee:
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Carl W. Larsen (exact or similar names) - Medical Lake, WA |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
May 28, 1891 |
Granted: |
Sep. 22, 1891 |
Patent Pictures:
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Carl W. Larsen patent Septemer 22, 1891 |
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Stan Schulz
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Description: |
The wrench headed pin (no 20 in the drawing), is explicitly noted and described in the specifications. It is used on the set screw which positions the adjustable knife. |
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