HARMON
Filed: November 30, 1993
rail/highway crossing protection equipment, namely warning lights, signal support structures and electronic train detection…
Owned by: HARMON ELECTRONICS, INC.
Serial Number: 74466138
HARMON
Filed: November 30, 1993
rail/highway crossing protection equipment, namely warning lights, signal support structures and electronic train detection…
Owned by: HARMON ELECTRONICS, INC.
Serial Number: 74466139
ULTRABLOCK
Filed: December 10, 1993
control system for railroads comprising ground-based and on-board computers for managing train movement under zone control…
Owned by: HARMON ELECTRONICS, INC.
Serial Number: 74468189
HXP
Filed: June 10, 1994
electronic signal detector and processor responsive to an oncoming train for operating warning devices at a railway crossing…
Owned by: HARMON ELECTRONICS, INC.
Serial Number: 74536080
ULTRA-CAB
Filed: June 10, 1994
on board data processors responsive to transmitted track and route information for displaying and enforcing signal aspects…
Owned by: HARMON ELECTRONICS, INC.
Serial Number: 74536121
