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6 Matching Results
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Oil-Well Drill
Patent for an Oil-Well Drill with the "...object of the invention being to provide means to prevent the drill from becoming unscrewed from the drill rod and dropping into the bottom of the well" (lines 12-16).
Date:
December 29, 1916
Creator:
Parker, Roy B. & Spurlock, Robert C.
System:
The Portal to Texas History
Reversing Mechanism For Engines.
Patent for improvements in "reversing mechanism for engines, where the operating lever may be supported in such a manner as to substantially eliminate lost motion, and where the reverse lever may be operated with greater convenience and facility." (lines 11-17).
Date:
December 5, 1916
Creator:
Wagner, Warren
System:
The Portal to Texas History
Cradle.
Patent for an improved cradle with a hinged locking enclosure for providing protection against an infant falling out, intrusion of insects, excess sun, and inclement weather.
Date:
October 31, 1916
Creator:
Vanék, Joseph
System:
The Portal to Texas History
Spring-Wheel.
Patent for improving Spring-Wheels that "prevent the wheel from 'skidding' or slipping upon muddy or soft roads [...] which may be applied without material structural change to wheels of forms and sizes" (lines 9-15), including illustrations.
Date:
March 28, 1916
Creator:
Mensik, Joseph
System:
The Portal to Texas History
Lamp-Burner
Patent for the provision of spring pressed clamps pivotally mounted on a burner and adapted to engage opposite sides of the base of a lamp chimney and thereby securely hold the lamp chimney in place on the burner and yet permit the ready removal of the chimney.
Date:
January 4, 1916
Creator:
Patterson, Simon H.
System:
The Portal to Texas History
Pistol- Holster
Patent for a pistol holder. The holder will secure the pistol in the position that it should be in, at all times.
Date:
January 4, 1916
Creator:
Parrish, Byron B.
System:
The Portal to Texas History