US Patent: 594,615
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Expansive Bit
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Patentee:
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Bernard H. Fowle (exact or similar names) - Spokane, WA |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Jan. 27, 1897 |
Granted: |
Nov. 30, 1897 |
USPTO (New site tip) Google Patents
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Jeff Joslin (dm)
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Description: |
Primary features of this bit are the jointed stem, which allows use of driving stems of various lengths, and the screw adjusted cutter. |
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