Resource Type
Counties
Month
Day
6 Matching Results
Results open in a new window/tab.
Results:
1 - 6 of
6
Advertising Clock
Patent for an advertising clock. This invention is designed to display advertisement at regular intervals. Illustration included.
Date:
March 2, 1909
Creator:
Barnett, John Beverly & Turner, W. N.
System:
The Portal to Texas History
Automatically-Adjustable Headlight for Locomotives
Patent for an automatically adjustable headlight for locomotives or streetcars which rotates when the vehicle is tilted going around a curve to allow the light to shine around the curve.
Date:
March 2, 1909
Creator:
Cooper, William M.
System:
The Portal to Texas History
Portable Concrete Mixer
Patent for a portable concrete mixer. Illustration included.
Date:
March 2, 1909
Creator:
Leake, Boudinot G.
System:
The Portal to Texas History
Piano-Forte Tuning-Pin Lock.
Patent for a new and improved lock for forte-piano tuning-pins. This design consists "of an elongated or oblong metal plate provided with a slot in a part of its length and having one of its faces roughened into serrations . . . which, together with . . . correspondingly-toothed hooks bolted to said plate, form a clamp to bind two or more tuning-pins of a piano together, to prevent them from turning as a set or independently" (lines 16-25).
Date:
March 2, 1880
Creator:
Norcross, Levi W.
System:
The Portal to Texas History
Auxiliary Door-Lock
Patent for an auxiliary door lock, that may be used with any type of door, and that is portable, with illustrations.
Date:
March 2, 1920
Creator:
Shirley, William Arthur
System:
The Portal to Texas History
Safety Attachment for Locomotive-Cabs.
Patent for a locomotive engine safety device involving a detachable protective carrier that releases from the engineer's cab allowing escape from the locomotive engine cab in case of danger, including illustrations.
Date:
March 2, 1915
Creator:
Uttz, William A.
System:
The Portal to Texas History