Counties
3 Matching Results
Results open in a new window/tab.
Results:
1 - 3 of
3
Advertising Street Car Sign
Patent for an advertisement sign located on the top of street cars. Illustration included.
Date:
February 11, 1908
Creator:
King, Alphonse
System:
The Portal to Texas History
Key.
Patent for a key, which can be produced in quantity but without any of them being able to open the same door.
Date:
February 4, 1908
Creator:
Katzenberger, Oscar
System:
The Portal to Texas History
Padlock.
Patent for a padlock, which can only be opened with a certain key and prevents the use of many lock-picking devices.
Date:
February 4, 1908
Creator:
Katzenberger, Oscar
System:
The Portal to Texas History