U.S. patent number D540,478 [Application Number D/260,133] was granted by the patent office on 2007-04-10 for stackable wall block. This patent grant is currently assigned to Rockwood Retaining Walls, Inc.. Invention is credited to Brian A Price.
United States Patent | D540,478 |
Price | April 10, 2007 |
Inventors: | Price; Brian A (Rochester, MN) |
---|---|
Assignee: | Rockwood Retaining Walls, Inc.
(Rochester, MN) |
Appl. No.: | D/260,133 |
Filed: | May 19, 2006 |
Current U.S. Class: | D25/113 |
Current International Class: | 2501 |
Field of Search: | ;D25/112-118 ;D21/484-490,499-502 ;405/15-16,33,35,284-286 ;404/29-42 ;52/503,504,575,596-599,603-605,608,612 |
1260024 | March 1918 | Parton |
1795451 | March 1931 | Sharpe |
1816916 | August 1931 | Sentrop |
5622456 | April 1997 | Risi et al. |
5647185 | July 1997 | Forlini |
D403437 | December 1998 | Risi et al. |
D405193 | February 1999 | Scales |
D466229 | November 2002 | Risi et al. |
D479342 | September 2003 | Dawson |
6651401 | November 2003 | Price et al. |
D485371 | January 2004 | Burgess et al. |
7059808 | June 2006 | Risi |
7096635 | August 2006 | Price |
"Classic" product literature, Rockwood Retaining Walls, 12 pgs., 1997. cited by other. |
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