Counties
2 Matching Results
Results open in a new window/tab.
Results:
1 - 2 of
2
Balanced Valve
Patent for a balanced valve for a steam powered sawmill.
Date:
March 3, 1908
Creator:
Rigsby, Lewis J.
System:
The Portal to Texas History
Fire-Escape
Patent for a flexible chute that attaches to the window frame. The chute uses hinges or a pivot so it can be moved out of the way when not is use.
Date:
March 9, 1909
Creator:
Woods, Murray
System:
The Portal to Texas History