US Patent: 2,507,167
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Rotary Impact Type Turning Tool
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Patentee:
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Donald R. Lemmerman (exact or similar names) - Minneapolis, Hennepin County, MN |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Dec. 20, 1946 |
Granted: |
May 09, 1950 |
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Joel Havens
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Description: |
Claim:
This invention has relation to a tool adapted to be applied to use for various purposes but which has been devised to be more especially useful for seating or tightening or loosening or unseating screws, bolts, nuts, etc. |
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