Patent
   D250848
Priority
Jul 06 1976
Filed
Jan 03 1977
Issued
Jan 16 1979
Expiry
Jan 16 1993
Assg.orig
Entity
unknown
6
4
n/a
The ornamental design for a roof panel, as shown.

FIG. 1 is a top view

FIG. 2 is a side view

Naslund, Gustav

Patent Priority Assignee Title
5611186, Feb 01 1994 ELK PREMIUM BUILDING PRODUCTS, INC Laminated roofing shingle
5666776, Sep 18 1991 Minnesota Mining and Manufacturing Company Laminated roofing shingle
9212487, Sep 28 2005 ElkCorp Enhanced single layer roofing material
D313279, Apr 19 1989 SEKISUI KAGAKU KOGYO KABUSHIKI KAISHA, Roof tile or similar article
D369421, Dec 03 1991 ELK PREMIUM BUILDING PRODUCTS, INC Random cut laminated shingle
D581511, Nov 07 2007 Brentwood Industries, Inc Baffle vent with transverse ribs for use in roof ventilation
Patent Priority Assignee Title
1918149,
3323269,
3561184,
184264,
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