DOAN, ROBERT L. Trademarks
FLANGE WIZARD
Filed: March 7, 1974
PIPE FLANGE LEVEL INDICATING INSTRUMENTS
Owned by: DOAN, ROBERT L.
Serial Number: 73015259
PIPE MAGICIAN
Filed: February 5, 1981
a Leveling/Alignment Instrument for Use on Pipes, Tanks, and Structural Beams
Owned by: DOAN, ROBERT L.
Serial Number: 73295894
WIZARD WRAP
Filed: July 9, 1981
Hand Tool Usable as a Guide for Marking Lines on Pipes
Owned by: DOAN, ROBERT L.
Serial Number: 73318211
