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5 Matching Results
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Lock-Escutcheon.
Patent for a lock escutcheon, which can be attached to the door on either side and which does not require carpentry expertise to install.
Date:
November 16, 1909
Creator:
Magruder, Paul K.
System:
The Portal to Texas History
Forge Locked Grating.
Patent for a forge locked grating for use in jails, which does not collect dirt and is very rigid.
Date:
November 23, 1909
Creator:
Youngblood, David Franklin
System:
The Portal to Texas History
Rafter-Marking Instrument.
Patent for a rafter marking instrument for quickly measuring common rafter cuts.
Date:
November 16, 1909
Creator:
Richter, John Ludwig
System:
The Portal to Texas History
Device for Sharpening Razors.
Patent for a device for sharpening razors consisting of razor strop and hone, which does not have to be hung on a hook to use.
Date:
November 30, 1909
Creator:
Dunn, William Harrison
System:
The Portal to Texas History
Automatic Switch
Patent for an automatic switch for street railways.
Date:
November 30, 1909
Creator:
Godoy, Jose Ma
System:
The Portal to Texas History