KLYO
Filed: May 16, 1951
SPRING DRIVEN GONGS THAT ARE ELECTRICALLY CONTROLLED AND TRIPPED, GONGS THAT ARE OPERATED BY SOLENOIDS OR ELECTROMAGNETS…
Owned by: B & B ENGINEERING CORPORATION
Serial Number: 71613895
PENTEFOLD
Filed: May 16, 1951
FIRE ALARM TELEGRAPH BOXES FOR INTERIOR AND EXTERIOR USE, SWITCHBOARDS AND RECORDING INSTRUMENTS AND CODE SENDING TRANSMITTERS…
Owned by: B & B ENGINEERING CORPORATION
Serial Number: 71613896
PROTECT-O-ARM
Filed: May 27, 1953
ELECTRICALLY-OPERATED AND HYDRAULICALLY-OPERATED AND PNEUMATICALLY-OPERATED AND LEVER-OPERATED AND TREADLE-OPERATED GATES…
Owned by: B & B ENGINEERING CORPORATION
Serial Number: 71647750
BB
Filed: October 3, 1983
Electric and Electronic Alarm Systems and Replacement Parts Therefor, Comprising Consoles that Receive and Re-Transmit Signals…
Owned by: B & B ENGINEERING CORPORATION
Serial Number: 73446330
