Collection
Serial/Series Title
Decade
Month
4 Matching Results
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Results:
1 - 4 of
4
Hay Rake
Patent for a hay rake. Illustration included.
Date:
August 10, 1909
Creator:
Lamkin, Lonzo D.
Object Type:
Patent
System:
The Portal to Texas History
Occurrence and Quality of Ground Water in Jack County, Texas
Determines the occurrence and quality of ground water resources, recommends the ways to protect water from contamination.
Date:
August 1988
Creator:
Nordstrom, Phillip L.
Object Type:
Report
System:
The Portal to Texas History
Singletree-hook and Trace-Securing Device.
Patent for "singletree-hooks and trace-securing devices, the object being to provide a simple and easily-manipulated device of this character which may be readily attached to the ends of a singletree and will serve to hold the end of a trace in secure engagement with the end of the singletree" (lines 9-15) including illustration.
Date:
August 27, 1901
Creator:
Robinson, Henry C.
Object Type:
Patent
System:
The Portal to Texas History
Train-Pipe Coupling.
Patent for a coupling for trains air brake hoses/pipes, which automatically connects when train cars are put together.
Date:
August 11, 1908
Creator:
Felkner, William G.
Object Type:
Patent
System:
The Portal to Texas History