Patents - Inventor Surname "Quaintance"
Quaintance, Ellsworth E. 1912/02/13 -> 1017313 - > 
Quaintance, Ellsworth E. 1912/05/28 -> 1027564 - > 
Quaintance, Ellsworth E. 1921/05/03 -> 1376639 - > 
Quaintance, Elsworth E. 1905/03/28 -> 785834 - > 
Quaintance, Elsworth E. 1906/04/10 -> 817388 - > 
Quaintance, Elsworth E. 1907/01/01 -> 840088 - > 
Quaintance, Elsworth E. 1908/06/23 -> 891439 - > 
7 Patents Listed