Resource Type
States
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Vehicle Lamp
Patent for lamp within an automobile., with small front opening to change out lightbulbs.
Date:
October 10, 1916
Creator:
Cloninger, William M.
System:
The Portal to Texas History
Nut-Lock
Patent for a nut lock. Illustrations included.
Date:
October 29, 1912
Creator:
Patterson, Benjamin Gilbert
System:
The Portal to Texas History
Draft-Equalizer.
Patent for Draft Equalizer. Patent states this invention "relates to the new and useful improvements in draft-equalizers" (lines 10-11). Includes instructions and illustrations.
Date:
February 20, 1918
Creator:
Dudley, Thomas J. & Bryant, Marvin H.
System:
The Portal to Texas History