U.S. patent number D404,146 [Application Number D/042,710] was granted by the patent office on 1999-01-12 for combined keylock facing panel and h-shaped retaining wall block. This patent grant is currently assigned to G. P. Industries, Inc.. Invention is credited to Garry R. Perkins.
United States Patent | D404,146 |
Perkins | January 12, 1999 |
Inventors: | Perkins; Garry R. (Rolling Meadows, IL) |
---|---|
Assignee: | G. P. Industries, Inc.
(Schaumburg, IL) |
Appl. No.: | D/042,710 |
Filed: | July 19, 1995 |
Current U.S. Class: | D25/113 |
Current International Class: | 2501 |
Field of Search: | ;D25/103,113-118 ;D21/108 ;52/592.1,592.4,592.6,591.4,604 |
D299067 | December 1988 | Forsberg |
D314240 | January 1991 | Scheiwiller |
D317048 | May 1991 | Forsberg |
860565 | July 1907 | Peetz |
3766699 | October 1973 | Dinkel |
5337527 | August 1994 | Wagenaar |
5353569 | October 1994 | Rodrique |
5361557 | November 1994 | Snyder et al. |
5465544 | November 1995 | Ghahary |
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