PATENTS
Patent:     Solid State Circuit for Controlling the Temperature of an Electric Appliance Such as a Blanket  
United States Patent Number:     3461273 
Inventor:     Carrel H. Dykes
Owner:     Northern Electric Company
Issue Date:     August 12, 1969
Description and Drawing of Patent

Above is also patented in Canada as follows:

Patent:     Electric Blanket Control                      
Canadian Patent Number:     0844730
Inventor:    Carrel H. Dykes                          
Owner:     Northern Electric Company                          
Issue Date:    June 16, 1970



Patent:     Electric Heating Appliance    
United States Patent Number:     2961526
Inventor:     Carrel H. Dykes
Owner:     Northern Electric Company
Issue Date:     November 22, 1960
Description and Drawing of Patent


Patent: Electric     Electric Heating Circuit for Electric Blanket  
United States Patent Number:     2866067    
Inventor:     G. R. Dolan and Carrel H. Dykes
Owner:     Northern Electric Company
Issue Date:     December 23, 1958
Description and Drawing of Patent