EST GROUP INC. Trademarks
DUTCH FINGER
Filed: January 28, 1969
HAND-OPERATED TOOL FOR PRECLUDING FLUID FLOW IN PIPE LINES
Owned by: EST GROUP INC.
Serial Number: 72317735
POP-A-PLUG
Filed: May 13, 1985
EXPANDABLE TUBE PLUGS
Owned by: EST GROUP INC.
Serial Number: 73537043
