Door closer unit

Details Door closer unit Door closer unit

1994-08-04

1995-11-14

Vinson, Brian N.

Tools and hardware

Locking or closing device

Patent

active

D03640817

REFERENCES:
patent: D281762 (1985-12-01), Okazaki
patent: 3877108 (1975-04-01), Del Fiaccio
Sargent Door Closers Catalogue 25/1250 series (1983) p. 10, track type application.

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