Counties
2 Matching Results
Results open in a new window/tab.
Results:
1 - 2 of
2
Pump.
Patent for a pump, designed to increase the flow of water without increasing the length of the stroke or the numbers of strokes of the plunger rod. The pump lifts water by force and suction simultaneously.
Date:
February 24, 1914
Creator:
Muncy, David J.
System:
The Portal to Texas History
Seed Planter
Patent for a seed planter. Illustration included.
Date:
June 24, 1903
Creator:
Merrick, Samuel M.
System:
The Portal to Texas History