U.S. patent number D430,680 [Application Number D/099,183] was granted by the patent office on 2000-09-05 for concrete block. This patent grant is currently assigned to Handy-Stone Corporation. Invention is credited to Peter J. Blomquist, Todd P. Strand.
United States Patent | D430,680 |
Blomquist , et al. | September 5, 2000 |
Inventors: | Blomquist; Peter J. (Melbourne Beach, FL), Strand; Todd P. (Marine on St. Croix, MN) |
---|---|
Assignee: | Handy-Stone Corporation
(Oakdale, MN) |
Appl. No.: | D/099,183 |
Filed: | January 15, 1999 |
Current U.S. Class: | D25/113 |
Current International Class: | 2501 |
Field of Search: | ;D25/102,113-118 ;D21/484-486,488-493,499-505 ;52/574-575,596,604-612 ;404/33-42 ;405/284-286 |
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