Movable or removable closures – With traffic director or controller; e.g. – one-way
Patent
1992-12-08
1994-03-15
Kannan, Philip C.
Movable or removable closures
With traffic director or controller; e.g., one-way
49 9, 49 35, 49334, E01F 1300
Patent
active
052937160
ABSTRACT:
A gate bar for a toll gate apparatus includes a tubular member surrounded by a sleeve of resilient material. The sleeve is protected by a sheath which may be painted to improve the visibility of the bar.
REFERENCES:
patent: 1578587 (1926-03-01), Agostini
patent: 2874493 (1959-02-01), Mandel
patent: 4364200 (1982-12-01), Cobb
patent: 4531325 (1985-07-01), Phillips
patent: 4811516 (1989-03-01), Anderson
patent: 4897960 (1990-02-01), Barvinek et al.
patent: 5044300 (1991-09-01), Herd
patent: 5136810 (1992-08-01), DeWitt, III
Kannan Philip C.
TDC Electronics, Inc.
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