Country
Counties
Year
1 Matching Results
Results open in a new window/tab.
Results:
1 - 1 of
1
Magneto-Contact.
Patent for magneto contacts, designed for easy removal, cleaning, and replacement, without short circuits, featuring novel construction features and parts arrangements.
Date:
April 26, 1921
Creator:
Rigsby, Virgil.
System:
The Portal to Texas History