Resource Type
Counties
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Envelop.
Patent for an envelope "whereby the cutting device acts as a partial ejector for the letter" (lines 12-13), including illustrations and instructions.
Date:
December 1, 1914
Creator:
Donaldson, James Macon
System:
The Portal to Texas History
Saw Gage and Filing Clamp
Patent for a combined saw gage and clamp which can be "applied to a saw blade to gage the depth of the cut as well as reversed and used as a clamp for the saw blade in setting the teeth" (lines 16-18).
Date:
April 1, 1913
Creator:
Curby, George W.
System:
The Portal to Texas History