Electrical and scientific apparatus Trademarks Filed in April 29, 1958
DUO-SET
Filed: April 29, 1958
Repeat Cycle Timer with Two Separate Independently Settable Load Circuits
Owned by: AMERICAN MANUFACTURING COMPANY, INC.
Serial Number: 72050599
DICTOGRAPH
Filed: April 29, 1958
ELECTRICAL PROTECTIVE SIGNAL SYSTEMS, INCLUDING FIRE AND BURGLAR ALARM SYSTEMS, TELEPHONE INTERFERENCE DETECTION SYSTEMS…
Owned by: GUARDIAN INDUSTRIES, INC.
Serial Number: 72050608
