Hansen Ophthalmic Development Laboratory Trademarks
BURIAN-ALLEN ERG ELECTRODE
Filed: December 24, 2008
Medical electrodes
Owned by: Hansen Ophthalmic Development Laboratory
Serial Number: 77639550
SCOTT RULER
Filed: October 1, 2001
Ophthalmic instrument, namely, a curved ruler for measurement along the surface of the eye
Owned by: Hansen Ophthalmic Development Laboratory
Serial Number: 78086380