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8 Matching Results
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Hair-Clipper
Patent for a hair-clipper designed for barbers' and household use, designed to be used without discomfort for the patient.
Date:
April 30, 1918
Creator:
Sammons, Loney H.
System:
The Portal to Texas History
Hat-Blocker
Patent for "new and useful improvements hat-blocker (lines 8-9)."
Date:
April 30, 1918
Creator:
Milligan, Clifford V.
System:
The Portal to Texas History
Boring-Drill.
Patent for detachable heads and plates for frusco-conical rollers that allow for space between drills, including illustrations.
Date:
April 23, 1918
Creator:
Reed, Clarence Edward
System:
The Portal to Texas History
Reamer.
Patent for an enlarged reamer for maintaining the gage of the hole comprising a head threaded at one end for attachment to the drill and disk-shaped reaming cutters housed in slots in the sides.
Date:
April 23, 1918
Creator:
Hughes, Howard R.
System:
The Portal to Texas History
Centrifugal Brake Mechanism
Patent for a centrifugal break mechanism, primarily designed as an automatic brake device for elevators travelling at an abnormal speed.
Date:
April 16, 1918
Creator:
Cobb, Albert C.
System:
The Portal to Texas History
Shadowgraph.
Patent for "improvements in shadowgraphs" (lines 12-13) "to afford entertainment and amusement" (lines 22-23) by means of using "a holder for pieces of which a design may be composed" (lines 31-32), including one illustration.
Date:
April 16, 1918
Creator:
Barler, Eugene Miles
System:
The Portal to Texas History
Line-Shaft Oiler
Patent for improvements to line-shaft oilers to more easily oil bearings and prevent oil waste.
Date:
April 2, 1918
Creator:
Collins, Joseph P.
System:
The Portal to Texas History
Single Trigger Mechanism For Double-Barrel Guns
Patent for "new and useful improvement in Single Trigger Mechanism For Double-Barrel Guns (lines 5-7)."
Date:
April 2, 1918
Creator:
Lindsay, Charles W.
System:
The Portal to Texas History