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Oil Burner.
Patent for a new oil burner which is designed to burn oil for fuel has a flared nozzle and can be cheaply made and repaired.
Date:
July 25, 1922
Creator:
Decuir, Joseph O.
System:
The Portal to Texas History
Lock-Protecting Device.
Patent for combination lock for safes or vaults with added mechanism for dispensing a gas to deter robberies.
Date:
April 25, 1922
Creator:
Bumpass, Leonard E.
System:
The Portal to Texas History