Counties
2 Matching Results
Results open in a new window/tab.
Results:
1 - 2 of
2
Improvement in Signals
Patent for a signal for an exhaust pipe of an automobile. Essentially, this device would quiet exhaust noise leaving an automobile.
Date:
February 26, 1919
Creator:
Baker, James Slayton
System:
The Portal to Texas History
Apparatus for Preserving Wooden Poles
Patent for an apparatus for preserving treated wooden poles. Illustrations included.
Date:
April 26, 1910
Creator:
Logan, John T.
System:
The Portal to Texas History