Knockboard Trademarks

KNOCKBOARD
WOODEN ORNAMENTAL KEY CHAINS
Cancelled  ·  October 13, 1998  ·  75570239  · 
knockboard
KNOCKBOARD
Wooden Ornamental Key Chains
Cancelled  ·  January 29, 1979  ·  73201759  · 
KNOCKBOARDS, BILLBOARDS TO GO
Novelty items in the nature of apotropaic magic tricks made of wood and having at least one mostly flat surface and at least one indicia
Cancelled  ·  February 28, 2012  ·  85554411  · 
knockboards, billboards to go