Hair-Clipper (open access)

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 (open access)

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. (open access)

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. (open access)

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 (open access)

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. (open access)

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 (open access)

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 (open access)

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