Resource Type
Counties
2 Matching Results
Results open in a new window/tab.
Results:
1 - 2 of
2
Canal or Ditch Digging Machine.
Patent for a canal or ditch digging machine that has a carriage and a mechanism that draws the carriage across the ground, and a boring-tool beneath the carriage. The boring-tool can bore at an adjustable angle.
Date:
August 20, 1895
Creator:
Hoefs, Otto
System:
The Portal to Texas History
Oar Lock Attachment.
Patent for an oar-lock attachment that allows the oar to be removed but not easily disconnected, using a hook on the oar with a spring plate and an eye on the boat gunwale, with illustrations.
Date:
December 20, 1892
Creator:
Livingston, Joseph R.
System:
The Portal to Texas History