Detnaform Trademarks

DETNAFORM
STEAM GENERATING EQUIPMENT-NAMELY, EXPANDED TUBES
Cancelled  ·  July 1, 1968  ·  72301736  · 
DETNAFORMING
Process Where Tubular Members Are Explosively Expanded to Secure Them in Cylindrical Spaces
Cancelled  ·  March 30, 1981  ·  73303448  ·