Resource Type
Counties
3 Matching Results
Results open in a new window/tab.
Results:
1 - 3 of
3
Drill Bit and Sample Taking Device
Patent for
Date:
December 5, 1922
Creator:
Humason, Granville A. & Barraco, Paul J.
System:
The Portal to Texas History
Excavating Bucket.
Patent for an "excavating bucket designed for use in connection with an excavating machine" (lines 10-12).
Date:
December 5, 1922
Creator:
Dyke, Samuel
System:
The Portal to Texas History
Nutcracker.
Patent for nutcracker using lever-activation to increase the leverage while nut cracking, including instructions and illustrations
Date:
December 5, 1922
Creator:
Pitman, Henry M.
System:
The Portal to Texas History