GRS
Filed: May 21, 1915
MECHANICAL RAILWAY SIGNALING APPARATUS
Owned by: GENERAL RAILWAY SIGNAL COMPANY
Serial Number: 71086803
GRS
Filed: October 29, 1915
ELECTRIC RAILWAY SIGNALING APPARATUS
Owned by: GENERAL RAILWAY SIGNAL COMPANY
Serial Number: 71090201
GRS
Filed: October 15, 1953
ELECTRIC RAILWAY SIGNALING AND CONTROL APPARATUS, AND PARTS THEREOF
Owned by: GENERAL RAILWAY SIGNAL COMPANY
Serial Number: 71654806
GRS
Filed: October 15, 1953
ELECTRICAL TESTING EQUIPMENT FOR RAILWAY SIGNALLING AND CONTROL APPARATUS-NAMELY, CODE ANALYZERS FOR CODED TRACK CIRCUITS…
Owned by: GENERAL RAILWAY SIGNAL COMPANY
Serial Number: 71654867
SYNCROSCAN
Filed: March 24, 1955
ELECTRICAL CODE COMMUNICATION APPARATUS AND PARTS THEREOF
Owned by: GENERAL RAILWAY SIGNAL COMPANY
Serial Number: 71684129
GRS SYSTEMS
Filed: June 16, 1961
ELECTRICAL RAILWAY SIGNALING AND CONTROL APPARATUS
Owned by: GENERAL RAILWAY SIGNAL COMPANY
Serial Number: 72122187
