U.S. patent number D347,900 [Application Number 07/843,614] was granted by the patent office on 1994-06-14 for laminated shingle. This patent grant is currently assigned to Minnesota Mining and Manufacturing Company. Invention is credited to Patrick T. Stapleton.
United States Patent | D347,900 |
Stapleton | June 14, 1994 |
Inventors: | Stapleton; Patrick T. (Plymouth, MN) |
---|---|
Assignee: | Minnesota Mining and Manufacturing
Company (Saint Paul, MN) |
Appl. No.: | 07/843,614 |
Filed: | February 28, 1992 |
Current U.S. Class: | D25/139 |
Field of Search: | ;52/560,557,554,524,518-521,523-526,528,545 ;D25/139,140 |
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3252257 | May 1966 | Price et al. |
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4001997 | January 1977 | Saltzman |
4322928 | April 1982 | Freiborg |
CertainTeed, "Turn a house into a grand manor", 1991. . Celotex, "Over 100 Years of Building America's Roofs and Celotex Roofing Shingles are still on Top", Jun. 1986.. |
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