3 Matching Results
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Improvement in Photographic Backgrounds.
Patent for a new way of "holding and manipulating photographers' backgrounds" (line 19) including illustrations.
Date:
June 10, 1879
Creator:
Moberly, Louis
System:
The Portal to Texas History
Improvement in Insect-Exterminators.
Patent for an improved insect exterminator design with modifications especially suitable for cotton fields, includes illustrations.
Date:
June 10, 1879
Creator:
Walker, John Z.
System:
The Portal to Texas History
Improvement in Animal-Traps.
Patent for an improvements in animal traps. It is similar to a hook and proper for mouse and rat.
Date:
June 10, 1879
Creator:
Milby, Frank Whitson
System:
The Portal to Texas History