Panic operator for exit doors

Details Panic operator for exit doors Panic operator for exit doors

1976-05-19

1978-07-11

Lucas, Susan J.

Tools and hardware

Handle, knob or pull

Combined

D 8319, D0807

Patent

active

D02484447

REFERENCES:
patent: D49410 (1916-07-01), Sargent
patent: D118619 (1940-01-01), Erickson
patent: 3663047 (1972-05-01), Zawadzki

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