...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 7318428 | Paint ball gun having paint ball dispenser with threaded connector A paint ball gun is disclosed including a dispenser having a locking connector designed to lockingly engage a locking connector on a gun feed tube or one end of a hollow connecting member. ... | 01/15/2008 |
| 7247107 | Impact-absorbing lacrosse ball A lacrosse ball that meets generally accepted rules on the construction of lacrosse balls (e.g., size, weight, and bounce height), but provides a more impact-absorbing surface than conventional lacrosse balls. One embodiment provides a lacrosse ball including a shel... | 07/24/2007 |
| 7066852 | Game ball with improved moisture resistance A game ball having improved resistance to liquid moisture, wherein the game ball includes a water resistant lining and a leather cover with water resistance properties. The water resistance properties of the cover are imparted by the tanning process and the lining i... | 06/27/2006 |
| 7048656 | Ball and a method of manufacturing a ball A spherical ball, for projection through the air to deviate from an expected trajectory, has a first hemisphere (12) and a second hemisphere (14). The surfaces (52, 54) of the first hemisphere (12) and the second hemisphere (14) ar... | 05/23/2006 |
| 7014573 | Method of making a golf ball with a multi-layer core A method for making a multilayer golf ball including a solid center having a center hardness, a plurality of laminates cut into a plurality of shapes formed around the center to create an inner ball, and a cover formed around the inner ball, wherein the plurality of... | 03/21/2006 |
| 6787582 | Game balls with cover containing post crosslinkable thermoplastic polyurethane and method of making same A game ball having a cover formed from a crosslinkable thermoplastic polyurethane is disclosed. Various types of game balls are described, including golf balls and softballs. By selective exposure to radiation, the thermoplastic polyurethane cover is crosslinked and... | 09/07/2004 |
| 6719653 | Hollow center thermoset elastomeric game ball A game ball having a hollow core structure which is resistant to permanent denting or “oil canning” when struck with a bat. The game ball also has a higher moment of inertia due to its hollow construction and consequently has a lower spin rate making it more sui... | 04/13/2004 |
| 6666783 | Baseball (softball) with double row ridge stitching A baseball (softball) includes a core and a pair of surface layers which are configured to enclose the core, wherein each of the surface layers is formed with an outer row of holes and an inner row of holes, the holes being formed in alternate order, and ... | 12/23/2003 |
| 6663519 | Proprioceptive pitch trainer baseball A baseball pitching training device providing students of pitching with one or more tactile surfaces, preferably on the seam, thus providing the with tactile input for development of the students proprioceptive senses. In addition, finger placement indici... | 12/16/2003 |
| 6566415 | Method of improving scuff and cut resistance of ionomer covered game ball Disclosed herein is a game ball and method for making the same. The game ball has an ionomeric cover which includes a combination of ionomeric crosslinks and covalent crosslinks. The game ball cover is superior in at least one of cut resistance and scuff ... | 05/20/2003 |
| 6458052 | Game ball simulating a sewn cover A game ball comprising a spherical core and two-piece cover. The cover includes two figure eight-shaped pieces adhesively attached to the core. Furthermore, each figure eight-shaped piece may be separately stitched around the edges, given the appearance o... | 10/01/2002 |
| 6407147 | Game ball with soft, radiation cross-linked cover containing unneutralized terpolymer Disclosed herein is a game ball and method for making the same. The game ball has an unneutralized terpolymer resin cover that has been irradiated. The unneutralized terpolymer resin includes ethylene, acrylic or methacrylic acid, and a third component se... | 06/18/2002 |
| 6395861 | Quick-cure game ball coating system A fast-curing polyurethane coating system for a game ball is described herein. The coating system comprises a mixture of a polyol, an isocyanate, a solvent and a surprisingly high level of catalyst which accelerates the curing process. The coating is a tw... | 05/28/2002 |
| 6379270 | Golf ball In a golf ball comprising a solid core, an intermediate layer, and a cover, the solid core or the cover is provided with a plurality of protrusions penetrating into the intermediate layer. Provided the protrusions are spaced apart a distance X (mm) and ha... | 04/30/2002 |
| 6369125 | Game balls with cover containing post crosslinkable thermoplastic polyurethane and method of making same A game ball having a cover formed from a crosslinkable thermoplastic polyurethane is disclosed. Various types of game balls are described including golf balls and softballs. By selective exposure to radiation, the thermoplastic polyurethane cover is cross... | 04/09/2002 |
| 6354970 | Curve ball A curve ball is provided by a sphere having a non-perforated outer surface formed by a pair of hemispheres joined at an equator and having a pole axis extending through the center of the sphere perpendicularly to the plane of the equator. One of the hemis... | 03/12/2002 |
| 6267695 | Golf ball The invention provides a golf ball comprising a core and a cover, wherein the cover consists of an outer layer and an inner layer having a lower hardness than the outer layer. The cover inner layer is formed with a plurality of recesses in its outer surfa... | 07/31/2001 |
| 6261197 | Game ball A game ball for permitting throwing of curve balls. The game ball includes a resilient inner sphere and an outer covering enclosing the inner sphere. The outer covering has a smooth region and a dimpled region that has a plurality of dimples.... | 07/17/2001 |
| 6030303 | Tethered ball construction A tethered ball construction 10 including an inner spherical core member 30 connected to one end of a tether member 40 wherein the core member 30 is dimensioned to be captively engaged by two hollow hemispherical members 20, 21, adapted to be releasably c... | 02/29/2000 |
| 5967916 | Lazer ball The lazer ball is a foamed ball or projectile which glows under particular lighting conditions and which can be fired through a standard air gun, such as a paint ball gun. The lazer ball can be prepared from any suitable foam material which is capable of ... | 10/19/1999 |
| 5893808 | Therapeutic ball A ball for warmup and therapy having a solid homogeneous body of molded elastomeric material of a size easily grasped in the palm of the hand, a weight of between 1-1.7 pounds, a hardness of 50-70 Shore A durometer and a percentage rebound of 65-90%. For ... | 04/13/1999 |
| 5879251 | Double ball device A multi-piece double ball construction is described in which there is: a first piece of durable material having an essentially linear shape along its middle section and terminating at a first end in a first essentially hourglass shaped section and at a se... | 03/09/1999 |
| 5827109 | Method and apparatus for amusing young children An amusement device for young children includes a cloth housing secured about a core such that peripherally distributed portions of the housing are relatively farther from the core and/or peripherally distributed gaps are defined between the housing and t... | 10/27/1998 |
| 5721319 | Golf ball cover A polymer blend and a golf ball employing a cover formed of that polymer blend are disclosed. The polymer blend is made from about 5 to about 95 phr of the polymer blend. About 5 to about 95 phr resin is included in the blend. The ball that employs the co... | 02/24/1998 |
| 5711729 | Ball and methods for making the same A ball has a core formed from a sponged and vulcanized mixture of rubber and cork. Methods for making a ball and a ball core are also described.... | 01/27/1998 |
| 5683317 | Automated lacing for softballs and baseballs A system and method for fabricating a ball comprising the steps of supporting a spherical core with unlaced covers thereover. Rotating the core upon a first axis to move a portion of the covers through a lacing zone. Lacing the portion of the cover moved ... | 11/04/1997 |
| 5664774 | Synthetic leather covered game ball A softball has a high end synthetic leather stitched cover formed from a low density non-woven fiber mat impregnated with polyurethane. The softball, which can be formed to meet association specifications, has a circumference of 11 or 12 inches and a cove... | 09/09/1997 |
| 5588648 | Training ball for baseball and softball batting practice A weighted training ball for baseball and softball batting training which has a solid body of molded elastomeric material and a regulation circumference of between approximately 9-16 inches. The body is weighted to have a greater than regulation weight of... | 12/31/1996 |
| 5496026 | Sponge eggball An egg-shaped sponge rubber or foam elastomeric plastic ball having a unique combination of texture, size, weight and sponge material compositional features such that it can be thrown and bounced in a controllable manner, after the user develops a certain... | 03/05/1996 |
| 5131665 | Multi surface bouncing solid A non-spherical object, that responds on impact and rebounds as a spherical ball, of a size ranging from one to four inches in length and weighing approximately a pound.... | 07/21/1992 |
| 5078408 | Bouncing cube A cube that bounces and rebounds as a spherical ball comprising a spherical ball of a relatively high density material forming the center of the cube and a body of relatively low density material surrounding the spherical ball to form a cubical configurat... | 01/07/1992 |
| 4840378 | Softball A softball having a core and a cover wherein the ball has a circumference of approximately 12 inches, a weight of 175 to 178 grams, a coefficient of restitution of approximately 0.478 and a compression from about 0.010 to 0.014 inches, wherein said core h... | 06/20/1989 |
| 4729566 | Game ball A two-piece softball or baseball includes a molded core and a molded cover including simulated stitching having protrusions and indentations integral with the cover material. Stitch holes adjacent the simulated stitching extend through the cover to the sp... | 03/08/1988 |
| 4725058 | Softball A softball having a core and a cover wherein the ball has a circumference of approximately 12 inches, a weight of 175 to 178 grams, a coefficient of restitution of approximately 0.478 and a compression from about 0.010 to 0.014 inches, wherein said core h... | 02/16/1988 |
| 4643424 | Ball for ballgames and manufacturing process thereof A plurality of granules of a hard synthetic resin and a soft synthetic resin are heated with a blowing agent to a temperature between the softening temperatures of the hard and soft resins for a predetermined time and are molded to form a ball. The result... | 02/17/1987 |
| 4498667 | Process for coating ball cores A process for forming a rubber or vinyl coated baseball or softball is comprised of supporting a baseball or softball core within a mold cavity to position the exterior of the core uniformly equidistant from the mold cavity wall to provide a space between... | 02/12/1985 |
| 4494753 | Three-dimensional toy maze A transparent enclosed cube containing a maze constructed of a plurality of layers of parallel square tubes separated by other layers of parallel square tubes, each tube having at least one opening to a neighboring tube, entrance opening to insert a ball ... | 01/22/1985 |
| 4436276 | Pin support and mold for foaming and curing resin exterior over ball core Molding apparatus 10 or 11 supports a tough, resin ball core 15 in the center of a spherical mold cavity having upper and lower mold parts 12 and 13. Core 15 is about half the diameter of the mold cavity allowing room for foamed resin exterior 16 to form ... | 03/13/1984 |
| 4364565 | Game ball A game ball is comprised of a single spherical core and a cover. The core is comprised of a single spherical mass of partially blown copolymer of ethylene and at least one unsaturated monocarboxylic acid having from 3 to 8 carbon atoms. The copolymer cont... | 12/21/1982 |
| 4248658 | Apparatus for the manufacture of balls A method and apparatus for adhesively applying cover pieces to a resilient tennis ball core. In one embodiment the exterior of the core is subjected to vacuum to expand the core while the covers, positioned in a flat orientation, are applied and adhesivel... | 02/03/1981 |