U.S. patent number D665,515 [Application Number D/403,303] was granted by the patent office on 2012-08-14 for landscaping block. This patent grant is currently assigned to Keystone Retaining Wall Systems, Inc.. Invention is credited to Robert A. MacDonald.
United States Patent | D665,515 |
MacDonald | August 14, 2012 |
Inventors: | MacDonald; Robert A. (Plymouth, MN) |
---|---|
Assignee: | Keystone Retaining Wall Systems,
Inc. (Bloomington, MN) |
Appl. No.: | D/403,303 |
Filed: | October 4, 2011 |
Application Number | Filing Date | Patent Number | Issue Date | ||
---|---|---|---|---|---|
29386365 | Oct 18, 2011 | D647219 | |||
Current U.S. Class: | D25/113 |
Current International Class: | 2501 |
Field of Search: | ;D25/102-118,136,138,140,151,152,153,156-162,164 ;D21/484-491,499-504 ;405/16,284,286 ;52/503-505,574,575,596-612 ;404/27-42 |
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