found this, might help begin a search

Eric


Classic Taper: Lyon & Coulson 7?6? Imperial (by Doug Easton)

Lyon and Coulson was a retail mail order tackle house located in Buffalo, NY. They sold a wide range of outdoor gear from the 1920?s through the 1940?s. The main rod supplier to L&C was Heddon. Unlike some other tackle houses, L&C did little to change the appearance of the standard Heddon line except to give the rods their own model designations. Mike Sinclair gives the following equivalents: Deluxe = Heddon #35, Regent = Heddon
#20, Imperial = Heddon #17, Crown = Heddon #14...


I found this information here

http://www.powerfibers.com/html/janu..._issue_18.html