Counties
2 Matching Results
Results open in a new window/tab.
Results:
1 - 2 of
2
Hydrocarbon-Burner
Patent for an improved hydrocarbon burner, including illustrations.
Date:
April 6, 1920
Creator:
Critchett, James C.
System:
The Portal to Texas History
Cylinder-Grinding Attachment For Lathes
Patent for an improved attachment for the lathe to grind cylinders of different sizes
Date:
April 6, 1920
Creator:
Snell, William T.
System:
The Portal to Texas History