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US Patent: 445,451
Vehicle Wrench
John A. Miller - St. Louis, MO

USPTO Classifications:

Tool Categories:
wrenches : nut wrenches
wrenches : axle nut wrenches
wrenches : wrench components : wrench sockets


John A. Miller - St. Louis, MO
St. Louis Wrench Co. - St. Louis, MO

E. E. Longan
C. F.A. Mueller

Patent Dates:
Applied: Nov. 03, 1890
Granted: Jan. 27, 1891

Patent Pictures: [ 1 | 2 | 3 | 4 ]
John A. Miller patent January 27,1891
USPTO pdf tiff
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The patent focuses on the shape of the socket portion which is designed to accommodate several sizes of nuts. The wrenches citing this patent have square sockets with triangular indentations in the middle of each of the four sides, without any of the other features noted in the specifications, and with a variety of markings including MILLERS VEHICLE WRENCH, MILLERS AGR'L WRENCH, St. LOUIS WRENCH CO., etc.

Corresponding Canadian patent CA-35,643 was granted Dec. 20, 1890, and British patent GB-189104362 was registered March 11, 1891. Both U.S. and Canadian patent dates were noted in advertising for Miller's Vehicle Wrench.

Miller patented an improved version (patent no. 485,290, issued Nov. 8, 1892). That patent notes the multiple open end wrenches on the handle end.

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