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 First KB&B pipe with a Kaywoodie stamp
 2-digit shape code
First Drinkless pipes
 PAT. APPL. FOR 
 "KBB"  klover on shank canceled
 SynchroStem patent granted
First round logo


 Imported Briar stamp introduction
 4-digit shape code
 Double digit code + letter
 Rudolph Hirsch president of The Kaywoodie Co.
S.M. Frank purchases Kaywoodie 

 : 
Preview and way to illustrated examples