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US Patent: 141,549
Improvement in Box-Scrapers
Charles Ellis - Philadelphia, PA
George W. Ellis - Philadelphia, PA
John D. Ellis - Philadelphia, PA

USPTO Classifications:
30/171, 30/346

Tool Categories:
woodworking tools : scrapers : box scrapers


C. Ellis & Bros. - Philadelphia, PA

G. Meathys
John C. Kennon
John McCormick
W. W. Dougherty

Patent Dates:
Applied: Jun. 20, 1873
Granted: Aug. 05, 1873

Patent Pictures: [ 1 | 2 | 3 ]
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The Ellis brothers were irked with the screws that passed through slotted holes in blades and fastned with nuts which they said would come loose in use. They invented threaded holes in the blade and screws to hold it to the box scraper handle.

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