Rail-Joint (open access)

Rail-Joint

Patent for a rail joint that locks securely and will not sag.
Date: April 30, 1912
Creator: White, John
Object Type: Patent
System: The Portal to Texas History
Non-Refillable Bottle. (open access)

Non-Refillable Bottle.

Patent for a non-refillable bottle with a valve in the neck that opens to let the contents be poured out of the bottle but seals itself if liquid is poured back in the bottle.
Date: April 25, 1911
Creator: Sargent, William H.
Object Type: Patent
System: The Portal to Texas History
Oil Burner (open access)

Oil Burner

Patent for an improvement on Oil Burners.
Date: April 9, 1902
Creator: Robertson, George
Object Type: Patent
System: The Portal to Texas History
Meter. (open access)

Meter.

Patent for a meter measuring the flow of liquid with a dial indicating gallons per hour for use in vehicles with internal combustion engines.
Date: April 21, 1914
Creator: Carroll, William G.
Object Type: Patent
System: The Portal to Texas History
Door Stop and Lock. (open access)

Door Stop and Lock.

Patent for a door lock and door stop that is operated from the doorknob by having a rod with a bolted door stop box on the bottom inserted into the door frame.
Date: April 9, 1907
Creator: Tatum, Cicero James
Object Type: Patent
System: The Portal to Texas History
Door-Hanger. (open access)

Door-Hanger.

Patent for a door hanger which supports heavy doors, in particular "barn doors, freight car doors, and the like."
Date: April 29, 1913
Creator: Caneavri, Joseph
Object Type: Patent
System: The Portal to Texas History
Demountable Rim. (open access)

Demountable Rim.

Patent for improved demountable rims for automobiles that are easy to mount and detach as well as cheaper and easier to manufacture.
Date: April 27, 1920
Creator: McPherson, Arthur Edison
Object Type: Patent
System: The Portal to Texas History