Braille insert for a continuous cartridge for handrails

Building units and construction elements – Architectural stock material – Extruded shape

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D03534553

REFERENCES:
patent: D114636 (1939-05-01), Erickson
patent: D117893 (1939-12-01), Bonnell
patent: D202759 (1965-11-01), Fisher
patent: D205824 (1966-09-01), Fisher
patent: D273596 (1984-04-01), Waldecrantz
patent: 3411752 (1968-11-01), Bos
patent: 3918686 (1975-11-01), Knott et al.
patent: 4590474 (1986-05-01), Patterson et al.
patent: 4823524 (1989-04-01), Bidnar
patent: 5065837 (1991-11-01), Szudy
patent: 5284444 (1984-02-01), Rayrus
The B&T Metals Catalog; p. 51; Item G-Insert Type Wall Trim.
LOXIT Mouldings Catalog; No. 3-48; Feb. 16, 1949; p. 14 Item AL-372 Counter Facing.
Braille Alphabet Card from Columbia Lighthouse for the Blind.
1991 Sweets Catalogs; Boston Metal Products Protective Bumper System; #E-316A.

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