Collection
Counties
Decade
Month
Day
3 Matching Results
Results open in a new window/tab.
Results:
1 - 3 of
3
Book-Rest for Writing Desks and Tables.
Patent for an improved book-rest for writing desks and tables used to support record-books upon desks or tables in such positions that they can be conveniently used.
Date:
October 3, 1882
Creator:
Terrill, Reuben W.
System:
The Portal to Texas History
Drill Bit
Patent for drill bit, adapted for use in boring (or drilling) of oil wells with bit shank and enlarged head of angularly mounted rotary cutters (for outward cutting of well walls).
Date:
January 3, 1922
Creator:
Thomas, Martin E.
System:
The Portal to Texas History
Milling-Machine.
Patent for a milling machine that executes thorough removal of dirt and other substances.
Date:
February 3, 1914
Creator:
Lakey, William Ray.
System:
The Portal to Texas History