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| Number | Title | Issue Date |
| 8157678 | Multiple piece pitching mound A portable pitching mound having a plurality of shell pieces. Each shell piece has a forward and rearward end with opposite side portions and an upper surface and opposite underside. The shell pieces when placed side by side interlock to one another to form an arcua... | 04/17/2012 |
| 8047934 | Multiple piece pitching mound A portable pitching mound having a plurality of shell pieces. Each shell piece has a forward and rearward end with opposite side portions and an upper surface and opposite underside. The shell pieces when placed side by side interlock to one another to form an arcua... | 11/01/2011 |
| 7361105 | Multiple piece pitching mound A portable pitching mound having a plurality of shell pieces that when placed in side by side relation form an arcuate shell member. Each individual shell piece has an interlocking means so that each shell is attached to an adjacent shell. Once all of the shell piec... | 04/22/2008 |
| 6419599 | Method and means for locating perimeter points for lines on athletic fields A method of identifying perimeter markings for lines on athletic fields involves locating two or more perimeter points on a line of an earthen athletic field comprising a ground surface; drilling a vertical hole in the earth in said points; placing a flex... | 07/16/2002 |
| 6048377 | Top dressing for gardens and lawns A soil top dressing resulting from the method of taking a quantity of sand comprised of a plurality of sand particles; coating the sand particles with a liquid plasticizer material comprised of a mixture of water and at least one from the group of polyvin... | 04/11/2000 |
| 5707305 | Portable pitching mound A portable pitching mound includes a generally convex body member having detachably securable front and rear portions. The rear portion has top and bottom surfaces with a peripheral edge extending therebetween. The front portion is detachably secured to t... | 01/13/1998 |
| 5583165 | Top dressing for gardens and lawns A soil top dressing is comprised of a mixture of sand, clay, a plasticizer material, water, and a coloring pigment, if desired. The components of the soil composition are preferably present in the following proportions by weight: sand 50-70%; clay 10-40%;... | 12/10/1996 |
| 5264029 | Resilient soil composition for athletic fields The soil composition of this invention is comprised of a mixture of sand, clay, a plasticizer material, water, and a coloring pigment, if desired. The components of the soil composition are preferably present in the following proportions by weight: sand 5... | 11/23/1993 |
| 5254364 | Method of making a soil composition comprised of clay-coated sand particles A method of making a soil composition involves continuously mixing sand and plasticizer in an agitation mixer. The sand becomes coated with the plasticizer, whereupon a quantity of clay is then added, followed by an additional portion of the plasticizer. ... | 10/19/1993 |
| 5151123 | Resilient soil composition for athletic fields The soil composition of this invention is comprised of a mixture of sand, clay, a plasticizer material, water, and a coloring pigment, if desired. The components of the soil composition are preferably present in the following proportions by weight: sand 5... | 09/29/1992 |
| 4749223 | Portable pitching mound A portable pitching mound is disclosed which is comprised of a concave horizontally disposed shell member which has a pitching rubber area. A first receptacle is indented into the surface of the shell member and is located immediately forwardly of the pit... | 06/07/1988 |
