Resource Type

2 Matching Results

Results open in a new window/tab.

Oil Burner. (open access)

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. (open access)

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