Resource Type
Counties
Decade
Month
4 Matching Results
Results open in a new window/tab.
Results:
1 - 4 of
4
Emergency-Door for Safes.
Patent for an emergency door for safes that provides an improved arrangement including a supplemental door which will automatically move to closed position when the main door is opened to its limit.
Date:
October 16, 1917
Creator:
Puhl, Max O.
System:
The Portal to Texas History
Roadway for Vehicles
Patent for a roadway for automobiles built of rail tracks that accommodate different tire sizes, so that wheels may run along the rails inlaid on roads.
Date:
October 18, 1913
Creator:
OBarr, Richard H.
System:
The Portal to Texas History
Windmill Lubricator
Patent for a windmill lubricator. Illustration included.
Date:
October 11, 1904
Creator:
Tatsch, Hubert H.
System:
The Portal to Texas History
Tire-Setting Machine.
Patent for certain new and useful improvements in tire setting machines, including instructions and illustrations.
Date:
October 4, 1898
Creator:
Mathisen, Christian
System:
The Portal to Texas History