Electrical and scientific apparatus Trademarks Filed in March 1, 1954
DUPLEX
Filed: March 1, 1954
LOUDSPEAKERS
Owned by: ALTEC LANSING CORPORATION
Serial Number: 71661760
SPA-CIT
Filed: March 1, 1954
CENTERING GAUGE FOR COMPOSING TYPEWRITTEN MATERIAL
Owned by: LENNEMANN, LEONA M.
Serial Number: 71661810
