Did You Know...
...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!
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| Number | Title | Issue Date |
| 4422392 | Seed drill with disk-type furrow openers A seed drill has rotatably mounted opener discs disposed in an acute angle with respect to the direction of travel and mounted on supports. A skid is mounted to each support at the outside surface of the disk at an angle with respect to the direction of t... | 12/27/1983 |
| 4271612 | Apparatus for producing ski tracks for a ski trail An apparatus for producing ski tracks for a ski trail, comprising a sliding/planing body with a flat sliding surface which curves upwardly at the forward section of said body, and spaced-apart track-forming members depending downwardly from said sliding s... | 06/09/1981 |
| 4217835 | Depth control and seed boot assembly for tillage apparatus A depth control skid and seed boot assembly is disclosed that is particularly useful in a sod seeding implement for adjusting the maximum depth of cut of a cutting wheel and for adjusting the depth of the seed boot independently of each other. An arm rota... | 08/19/1980 |
| 4206814 | Knife sled cultivator with weeder bar A farm implement having a main frame; at least two carriage wheels for supporting the frame; a plurality of brackets mounted in pairs on the frame, each pair of brackets defining a sled; a plurality of knives mounted on each sled in a generally horizontal... | 06/10/1980 |
| 4127949 | Snowmobile trail groomer An elongated main frame is provided including front and rear end portions. An elongated dual track endless track drive assembly is oscillatably supported from the rear end portion of the frame for angular displacement about a first horizontal transverse a... | 12/05/1978 |
| 4125950 | Snow plow attachment A device adapted to be attached to a vehicle for plowing snow on gravel covered roads while minimizing loss of gravel caused by plowing which employs a horizontally elongated blade having a concave plowing front surface and a convex rear surface. A horizo... | 11/21/1978 |
| 4110919 | Ski trail forming and conditioning drag An apparatus and more specifically a drag adapted to form and condition a ski trail, and in particular two generally parallel ski traces as commonly used for cross-country skiing, such that the ski traces are of uniform parallelism and depth and are free ... | 09/05/1978 |
| 4021942 | Snow handling and conditioning apparatus Apparatus for towing behind a tow vehicle to handle and condition snow on ski slopes, including a ripper assembly having teeth for ripping the surface of the snow, a scraper assembly for scraping the surface of the snow and to redeposit quantities of accu... | 05/10/1977 |
| 4014116 | Long-distance ski-track ploughing device This invention proposes a long-distance ski-track-ploughing device comprising a track sled adapted to be towed by a vehicle in the direction of the track, the underside of the said sled being equipped with tracking elements oriented in the direction of th... | 03/29/1977 |
| 3963079 | Cultivator A cultivator for conditioning the earth surface along row crops, the cultivator having a frame adapted for earth traversing movement along rows of such crops; scraper blade assemblies mounted on the frame for floating action; and earth surface engaging, b... | 06/15/1976 |
