Patents - Assigned To Surname "American Seal Lock Co."
American Seal Lock Co. 1870/01/18 -> 98917 - > 
American Seal Lock Co. 1870/11/29 -> 109717 - > 
American Seal Lock Co. 1870/11/29 -> 109718 - > 
American Seal Lock Co. 1871/02/28 -> 112211 - > 
4 Patents Listed