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Adjustable Spring Clamp
Patent for an improved adjustable spring clamp design.
Date:
May 13, 1919
Creator:
Hillin, H. C.
System:
The Portal to Texas History
Record-Filing Cabinet
Patent for a record filing cabinet designed to show every record within as well as records of different sizes.
Date:
May 13, 1919
Creator:
McCart, Robert, Jr.
System:
The Portal to Texas History