U.S. patent number D488,398 [Application Number D/179,248] was granted by the patent office on 2004-04-13 for leveling device with slots and notched top for securement to ladder step/rung. Invention is credited to Mary C. Golaszewski, Robert R. Golaszewski.
United States Patent | D488,398 |
Golaszewski , et al. | April 13, 2004 |
Inventors: | Golaszewski; Robert R. (Bonne Terre, MO), Golaszewski; Mary C. (Bonne Terre, MO) |
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Appl. No.: | D/179,248 |
Filed: | April 8, 2003 |
Current U.S. Class: | D10/69 |
Current International Class: | 1004 |
Field of Search: | ;D10/69 ;33/370-373,333 |
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