US Patent: 1,440,608
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Drop Hammer Board
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Patentees:
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Charles J. Kleist (exact or similar names) - Jamestown, Chautauqua County, NY |
Harry E. Kleist (exact or similar names) - Jamestown, Chautauqua County, NY |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Nov. 04, 1921 |
Granted: |
Jan. 02, 1923 |
USPTO (New site tip) Google Patents
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Joel Havens
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