Access
Resource Type
Counties
Month
Day
Language
1 Matching Results
Results open in a new window/tab.
Results:
1 - 1 of
1
Tread for Pneumatic Tires.
Patent for an improvement in treads for pneumatic tires "to prevent excessive wear or puncture of the parts of the tire constituting the tread portion" (lines 12-14).
Date:
September 30, 1919
Creator:
Twombly, Royal W.
System:
The Portal to Texas History