Rengstorff; Roy H. Trademarks
DURAGEL
Filed: May 20, 1980
Contact Lenses and Blanks for the Manufacture of Contact Lenses
Owned by: Rengstorff; Roy H.
Serial Number: 73262964
SCANLENS
Filed: December 29, 1980
Contact Lens Blanks and Finished Ophthalmic Lenses
Owned by: Rengstorff; Roy H.
Serial Number: 73291358
BIO 2
Filed: December 29, 1980
OXYGEN PERMEABLE MATERIALS INCLUDING CONTACT LENS MATERIALS AND FINISH ED OPHTHALMIC LENSES
Owned by: Rengstorff; Roy H.
Serial Number: 73291359
