Wagon Brake.-W. K. Johnston (assignor to himself, Edith R. Wynkoop, and Daniel Zimmerman), Cordova, Ill.

Wagon Brake.-W. K. Johnston
(assignor to himself, Edith R. Wynkoop,
and Daniel Zimmerman),
Cordova, Ill.

[July 17, 1869. The Scientific American. 45

Official List of Patents
Issued by the United States Patent Office,
For The Week ending June 29, 1869.
Reported Officially for The Scientific American.

[More...]

91,941.-Wagon Brake.-W. K. Johnston (assignor to himself, Edith R. Wynkoop, and Daniel Zimmerman), Cordova, Ill.

Source:

Author Unknown, "Official List of Patents", The Scientific American/New Series, New York, Scientific American, Inc., Volume 21, Issue 3, (July 17, 1869), p. 45

Created April 21, 2002; Revised September 21, 2002
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