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US Patent: 422,779
Jack Wrench For Oiling Vehicle Wheels
Patentee:
Fred. M. Henshaw - Dallas, TX

USPTO Classifications:
254/32

Tool Categories:
wrenches : axle nut wrenches : axle nut wrench combination tools

Assignees:
Fred M. Henshaw - Dallas, TX
C. P.  Walker - Dallas, TX
M. J.P. Lacy - Dallas, TX
T. W. Davies - Dallas, TX

Manufacturer:
Not known to have been produced

Witnesses:
E. P. Ellis
J. M. Nesbit
J. T. Reynolds
H. E. Bradford, Jr.

Patent Dates:
Applied: Aug. 27, 1889
Granted: Mar. 04, 1890

Patent Pictures:
Fred M. Henshaw patent March 4, 1890
USPTO pdf tiff
Google Patents
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Description:
A clamp-type socket wrench (not shown clearly in the drawing) slides on the frame, where it also serves as part of the lifting device.

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