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| Number | Title | Issue Date |
| 7328807 | Method and device for classifying fine particles The present invention provides a method for classifying fine particles, the method comprising: introducing a fine particle dispersion in which fine particles are dispersed in a liquid medium into an inlet of a microchannel having the inlet and a recovery portion; an... | 02/12/2008 |
| 7197500 | System and method for use and storage of geographic data on physical media An improved method and system for storage of data that represent geographic features in a region. The data are organized into parcels each of which contains data that represent those geographic features that are located within a separate one of a plurality of rectan... | 03/27/2007 |
| 7083001 | Multipurpose, hand held, weed extracting, garden tool A handle is attached to a multipurpose gardening implement that has six narrow, parallel (in full length) tines, separated by no less than 6 mm nor more than 7 mm, on one side of the implement head and two narrow, parallel (in full length) tines, separated by no les... | 08/01/2006 |
| 6994632 | Golf training installation An installation that is useful in learning to play golf, in training, or in evaluating the level of a golf player, the installation being characterized in that it comprises: a zone (1) marked on the ground and preferably comprising a mat, for monitoring the p... | 02/07/2006 |
| 6865827 | Utility device having an improved rotatable drive mechanism A utility vehicle or other device for excavating soil or the like includes a utility mechanism, such as, e.g., a trencher, an auger or the like, with a motor-driven utility drum. In preferred embodiments, the motor is contained substantially entirely inside the drum... | 03/15/2005 |
| 5628372 | Land management apparatus for creating irrigation pools The invention concerns an apparatus which is both land and roadworthy and which is for use in land management. The apparatus comprises wheel or drum members on which it travels which members are provided with friction free or self-cleaning ridges which wh... | 05/13/1997 |
| 5487429 | Spring tooth harrow packer A spring tooth harrow packer comprising a transversely extending draw bar which is wheel supported and which has a hitch extending forwardly therefrom for attachment to a tractor. A plurality of harrow sections are secured to the draw bar and are position... | 01/30/1996 |
| 5357739 | Roller rake apparatus A rake having a plurality of rows of spaced rake tines and a pair of weighted rollers disposed in an operational relationship between the rows of tines. The apparatus includes a substantially rectangular frame having rows of rake tines extending across a ... | 10/25/1994 |
| 4815223 | Snow grooming vehicle and attachments A vehicle for use in ski-area snow grooming operations and also for use in summer maintenance operations which is provided with a four-wheel hydrostatic-drive transmission and four-wheel steering. The vehicle has a frame/body/engine assembly which provide... | 03/28/1989 |
