Intellectual Property
Sierra Pacific Windows, a division of Sierra Pacific Industries, is a leading provider of advanced windows, doors, wall systems
and their replacement parts. Sierra Pacific's technology can be found in its retail products. This page is intended to service as
notice under 35 U.S.C. §287(a). The following products may be covered by one or more of the below-listed patents in the U.S.
and elsewhere. Patent applications relating to the below-identified products may be pending in the United States and
elsewhere which are not identified on this list. If you have any questions about this list, please contact Sierra Pacific Windows
at 530-527-9620.
H3® Double Hung, H3 Sliding Window, H3 Casement and H3 Awning:
United Sates Patents: 8,561,365; 10,077,598; 10,337,233; 10,550,624 and other Patents Pending
Canadian Patents: 2,665,853; and other Patents Pending
Westchester® Single Hung, Westchester® Double Hung:
United Sates Patents: 10,961,748 and other Patents Pending
Canadian Patents: Patents Pending
