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Cattle-Guard.
Patent for a simple and inexpensive cattle-guard that has comprising rollers which can be independently and easily replaced. The bars that hold the rollers can also be easily removed.
Date:
January 30, 1894
Creator:
Lefléve, Louis
System:
The Portal to Texas History
Improvements in Bread-Pans
Patent for a bread pan with attached lid that slices bread as it bakes. Includes instructions and illustration.
Date:
January 30, 1912
Creator:
Jefferson, George F.
System:
The Portal to Texas History
Electric Circuit Breaker
Patent for circuit control apparatus that automatically opens the circuit when conditions are abnormal.
Date:
January 30, 1917
Creator:
Nielssen, Steffen F.
System:
The Portal to Texas History
Locking Mechanism
Patent for locking mechanism, particulalry used in locking liquid dispensing machines.
Date:
January 30, 1917
Creator:
Bradley, Richard C.
System:
The Portal to Texas History
Soldering Device
Patent for improved automatic soldering device.
Date:
January 30, 1917
Creator:
Bradley, Richard C.
System:
The Portal to Texas History