Resource Type
Counties
4 Matching Results
Results open in a new window/tab.
Results:
1 - 4 of
4
Locking Device for Forms
Patent for a locking device for forms that will not crush the edges of circular forms.
Date:
August 27, 1912
Creator:
Irvin, Thomas H.
System:
The Portal to Texas History
Insecticide
Patent for a recipe for insecticide for the Mexican Cotton-Boll Weevil.
Date:
May 14, 1912
Creator:
Newell, Wilmon
System:
The Portal to Texas History
Process of Destroying Cotton-Boll Weevils
Patent for a formula for an insecticide for the Mexican cotton boll weevil.
Date:
March 4, 1912
Creator:
Newell, Wilmon
System:
The Portal to Texas History
Plow
Patent for an improvement to reversible plows. The plow specified is capable of throwing dirt to both the left and right sides.
Date:
January 9, 1912
Creator:
Sramek, Jacob
System:
The Portal to Texas History