3 Matching Results

Results open in a new window/tab.

Trapping Device. (open access)

Trapping Device.

Patent for a fish trapping device.
Date: January 9, 1912
Creator: Rains, George M.
System: The Portal to Texas History
Underreamer. (open access)

Underreamer.

Patent for an underreamer that will be used to ensure that the well casing is clean. Its construction is simple and can be made cheaper than older devices of the same type.
Date: February 9, 1914
Creator: Pippin, John W.
System: The Portal to Texas History
Insect Destroying Machine (open access)

Insect Destroying Machine

Patent for "certain new and useful Improvements in Insect-Destroying Machines,"(lines 6-7) including description and illustrations.
Date: September 9, 1904
Creator: Doak, John S.
System: The Portal to Texas History