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| Number | Title | Issue Date |
| 7070006 | One shot shovel A shovel which has a blade and a handle, the blade having first and second side edges and first and second wings extending outwardly and upwardly from respective side edges, each of the wings having a front edge which merges with a respective shovel side edge at a p... | 07/04/2006 |
| 5016366 | Snow ridger A method and an apparatus for producing ridges on snow covered fields are described. A row of snow is severed from the snow cover and elevated to provide a trench in the snow cover. The row is then deflected to one side of the trench and deposited on the ... | 05/21/1991 |
