UNT Libraries Government Documents Department - 217 Matching Results

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Cotton Checker and Cultivator.

Description: Patent for improvements in cotton checkers and cultivators by “providing a device in which the width of the hills or rows may be adjusted to suit the requirements of various grades of soil.” (Lines 15-17) Another improvement is to provide a “means to which the plows of the cultivator may be simultaneously raised or lowered, and when so raised or lowered may be kept in their adjusted positions.” (Lines 19-22) Illustration is included.
Date: January 11, 1910
Creator: Hamilton, Robert

Churn.

Description: Patent for a churn that employs a reciprocating dasher in order to improve all parts of the churn and its operating mechanism.
Date: October 11, 1911
Creator: Edwards, Henry L. & Perkins, William A.

Copy Holder

Description: Patent for a copy holder. This device is to hold copy for typewriters, compositors, etc. It also provides a copy holder possessing an adjustable indicating bar. Illustrations included.
Date: February 11, 1913
Creator: Newton, Marvin G. & Edwards, J. M.

Airship

Description: Patent for an airship that is equipped with gas bags to control the ascent and descent of the airship and make it float in case of landing in the water.
Date: June 11, 1912
Creator: Bradshaw, John F. W.

Wheel

Description: Patent for a wheel with a pneumatic tire designed so that it will not make contact with the ground, thus preventing wear and punctures. Illustrations included.
Date: April 11, 1911
Creator: Spoonts, Joseph L. & Eubank, Edwin M.
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