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4 Matching Results
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Window-Shade and Roller
Patent for a Window-Shade and Roller that does not use springs or analogous devices to coil the curtain around the roller. This device rolls the curtain more evenly.
Date:
May 31, 1910
Creator:
Lowe, Purley E. & De Young, Blanche
System:
The Portal to Texas History
Roller-Drill
Patent for a roller drill for drilling deep into rocks which bores small holes and is stronger than other models of roller drills.
Date:
May 31, 1910
Creator:
Hughes, Howard R.
System:
The Portal to Texas History
Pipe Connection
Patent for a pipe connection for metal pipes which is flexible.
Date:
May 31, 1910
Creator:
Sehnert, Fred L. & McManus, George J.
System:
The Portal to Texas History
Heel-Support
Patent for a heel support which keeps "shoes from sagging over the heel" (lines 11-12) and is durable.
Date:
May 31, 1910
Creator:
Moorefield, John C.
System:
The Portal to Texas History