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US Patent: 728,900
Roller Ratchet Cylinder Wrench
William H. George - Dexter, IA

USPTO Classifications:
81/177.5, 81/59.1, 81/DIG.8

Tool Categories:
wrenches : cylinder tooth wrenches


Not known to have been produced

W. E. Ellis
N. W. Winters
S. C. Sweet
Ida Anderson

Patent Dates:
Applied: Oct. 23, 1902
Granted: May 26, 1903

Patent Pictures:
William H. George patent May 26, 1903
USPTO pdf tiff
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A cylinder tooth wrench with overall appearance similar to several contemporaries (e.g. 601,146, 644,676, 685,282, & 711,422). The unique feature is the use of "roller ratchet" to operate the socket.

W. H. George formed the EXCELSIOR THRESHER TOOTH COMPANY at Dexter, IA. The company's product line included cylinder tooth wrenches. See also 731,886 and 755,293 for other W. H. George cylinder tooth wrench designs.

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