DIAMAGNETICS, INC. Trademarks
QUADRAHEDRON
Filed: April 1, 1977
JEWEL TIPS FOR PHONOGRAPH STYLII
Owned by: DIAMAGNETICS, INC.
Serial Number: 73121242
RC4
Filed: July 11, 1980
Liquid Cleaner for Use on Phonograph Records and Applicators
Owned by: DIAMAGNETICS, INC.
Serial Number: 73269761
