Roof anchor device

Details Roof anchor device Roof anchor device

2000-07-12

2001-04-17

Clark, Doris (Department: 2914)

Building units and construction elements

Miscellaneous

CD25S062000

Design Patent

active

D0440672

CLAIM:
The ornamental design for a roof anchor device, as shown and described.

REFERENCES:
patent: D. 219067 (1970-10-01), Johnson
patent: D. 419699 (2000-01-01), Stodola
patent: 5287944 (1994-02-01), Woodyard
patent: 5730245 (1998-03-01), Conway

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