I'll see if I can find out, with regards to the trademark, but your post also appeared that you thought the squared top hilt was a "goner".
Best, Capt. Chris
_________________________
Capt.Chris Stanaback
RKCC/RKCA Founder
RKS #016
NRA Lifetime Member
CAPTSTANABACK@aol.com
WEBSITE: www.captstanaback.com