Patents - Inventor Surname "Winning"
Winning, Robert K. 1928/01/03 -> 1655002 - > 
Winning, Robert K. 1929/11/19 -> 1736183 - > 
Winning, Robert K. 1932/11/22 -> 1888647 - > 
Winning, Robert K. 1938/10/04 -> RE20879 - > 
Winning, Robert K. 1938/11/01 -> 2135317 - > 
Winning, Robert K. 1941/06/17 -> 2245741 - > 
6 Patents Listed