Patents - Inventor Surname "Shipman"
Shipman, Evan J. 1913/01/28 -> 1051442 - > 
Shipman, Evan J. 1914/04/14 -> 1093080 - > 
Shipman, Evan J. 1915/12/28 -> 1165545 - > 
Shipman, Evan J. 1916/01/18 -> 1168340 - > 
Shipman, Evan J. 1917/12/04 -> 1248561 - > 
Shipman, Harold C. 1915/05/25 -> 1140919 - > 
6 Patents Listed