...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 8075426 | Power pivot A baseball swing training apparatus comprised of upper and lower platform members that are rotatably secured to one another by means of a bearing plate assembly. The platform members have a generally rectangular body with at least one side of each platform member fo... | 12/13/2011 |
| 7935007 | Turf accessory placement device A turf accessory placement device adapted for use with turf. The turf accessory placement device has a base. The base has a top, bottom and sides between the top and bottom. The turf accessory placement device has grip spikes extending from the bottom of the base wh... | 05/03/2011 |
| 7927238 | Apparatus, system and method for training overhand throwing mechanics An apparatus is provided for training the overhand throwing motion. The apparatus comprises a first end having a first altitude relative to a throwing surface; an opposing second end having a second altitude relative to the throwing surface; and an unobstructed guid... | 04/19/2011 |
| 7896759 | Training mat and method of teaching controlled directional hitting of a baseball or softball A training mat for teaching controlled directional hitting of a ball. The mat consisting of a home plate zone, a plurality of equally spaced pitching lanes defined by a plurality of lines extending longitudinally through home plate. The pitching lanes including at l... | 03/01/2011 |
| 7775914 | Baseball swing training device Baseball swing training apparatus having elongate base member and forward stop member, step member and connecting member extending laterally therefrom. Pivot stop member extends rearward from connecting member. Baseball swing training apparatus having elongate base ... | 08/17/2010 |
| 7654921 | Baseball batting training aid A batting training aid and method of use to improve baseball players' batting stance and swinging motion. The stance is characterized by a high center of gravity, erect posture with one leg forward, and the other backward. The proper swinging motion is around a vert... | 02/02/2010 |
| 7488265 | Baseball training device and method of using the same A training device for throwing a baseball includes a plate assembly that is pivotally connected to a support member. The plate assembly includes a flat, rectangular balance plate and a sleeve disposed transversely across the bottom surface of the balance plate. The ... | 02/10/2009 |
| 7468010 | Apparatus and method for training a baseball player to hit a baseball An apparatus for training a batter to hit a baseball with proper swing mechanics by controlling swing stride through tactile and proprioceptive feedback. The apparatus includes a base positionable on a ground surface adjacent to a hitting area and posterior to the b... | 12/23/2008 |
| 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 |
| 7335117 | Swing training device for sports A device for practicing an address stance and ball-hitting motion in sports such as baseball, softball and tennis. A hitter stands on a step plate (30) and a swivel plate (31) mounted on a flat base (12). The plates have adjustable separation, w... | 02/26/2008 |
| 7186184 | Golf mat and pattern A golf teaching aid is disclosed. The beneficial golf mat and instructional pattern provide for precise, reproducible foot positioning and alignment, and a wide selection of precise, reproducible ball position options. The pattern may be variously displayed, for ins... | 03/06/2007 |
| 7160213 | Baseball batter training method A batter training and protection system and method are shown. A protector for protecting an infield area is provided with a plurality of indicia situated thereon or integrally formed therein to define a plurality of target areas, respectively. The indicia may compri... | 01/09/2007 |
| 7127376 | Method and apparatus for reducing errors in screening-test administration A system for detecting a screening-test error includes a measurement device that measures at least one performance parameter related to at least one screening-test task and a computational device, in communication with the measurement device. The computational devic... | 10/24/2006 |
| 7125350 | Swing training device for sports A device for practicing an address stance and ball-hitting motion in a sport such as softball. A batter stands on a step plate (30) and a swivel plate (31) mounted on a flat base (12). The plates have adjustable separation, and align the user's ... | 10/24/2006 |
| 7104900 | Diagnostic device for analyzing a golf swing A golf mat similar to the type used at a driving range, including a hole for inserting a golf tee, with the addition of a pressure sensor (transducer) embedded in one corner of the mat, sandwiched between a top artificial grass and a bottom rubber backing of the mat... | 09/12/2006 |
| 7090599 | Baseball batting stance training assembly The present invention provides a baseball batting stance training assembly. The assembly essentially comprises a stance training mat for placement upon a baseball field or similar other playing field and at least one rearward foot-receiving cuff for removable or bre... | 08/15/2006 |
| 7056235 | Alternative golf club and method of using the same An improved golf training system and method of using the system is provided. The golf training system may also be used as a new game. The system includes a golf club having an enlarged hitting surface and shorter shaft, and a tee that comes in variable extended leng... | 06/06/2006 |
| 7033289 | Soccer ball kicking training device A soccer ball kicking training device assists a player so that his or her plant foot are correctly positioned with respect to the target line. A foot positioning pad includes a foot outline indicia and is attached to an adjustable cross member. The other end of the ... | 04/25/2006 |
| 6988966 | Method for controlling a batter's foot A method for controlling a batter's foot includes a flexible panel that has a front edge, a back edge, a first side edge and a second side edge. The front edge has an arcuate notch therein. The panel has a pair of apertures extending therethrough. Each of a pair of ... | 01/24/2006 |
| 6955616 | Baseball batting stride device and system, and method of using same An apparatus for modifying the stride of a baseball batter's swing motion, including means of capturing a lower portion of a baseball batter's foot and means of elastomerically tethering the capturing means to substratum, wherein the batter's leading foot is allowed... | 10/18/2005 |
| 6945883 | Baseball pitcher's training device A baseball pitcher's training device for training a pitcher in controlling his body mechanics during the pitch preparation phase as well as the delivery and follow-through phases of baseball pitching. The training device includes a collapsible balance beam that can ... | 09/20/2005 |
| 6926625 | Batting stance guide device A batter stance training device is place beside the batting plate to train young batters the proper position of feet, and the proper step forward position during batting. A first strip of material is placed along side a batting plate. On the strip of material are th... | 08/09/2005 |
| 6918844 | Triggering device for batters A baseball training device for use in improving batting skills, particularly triggering skills while batting. The device comprises an elongated member of at least a length to extend about the torso of a wearer and form a loop, and a jacket conformable to the upper t... | 07/19/2005 |
| 6884187 | Training device for throwing a ball A throwing exercise apparatus using a sphere with an internal polar passageway to deliver end portions a non-elastic band of which one end portion circumscribes the outer surface of the sphere and extends to the other end portion where they are joined together by a ... | 04/26/2005 |
| 6663512 | Pitching coach A pitching apparatus is provided that teaches the fundamental techniques of a desired pitch through the regulation and control of a control arm. The pitching apparatus consists of a mechanical box housing, a control arm, and a control box housing. The mec... | 12/16/2003 |
| 6638176 | Sports stance and follow-through training apparatus A sports stance and follow through training apparatus is provided having a generally elongated, planar position platform for resting parallel to the ground. A foot guard is affixed to the upper resting surface of the position platform at the front, and is... | 10/28/2003 |
| 6616556 | Method and apparatus for measuring leg drive An apparatus to measure leg drive of a pitcher as the pitcher as delivering a pitch is presented. The device comprises a pressure gauge integrated into a pitching rubber to provide a pressure profile of the leg drive utilized by the pitcher during deliver... | 09/09/2003 |
| 6575844 | Golf stance and movement training device The training device has a u shaped base comprised of a adjustable toe board strip, which is used to promote balance on the balls of the feet and keep the training device from tipping over. The adjustable knee brace, attached to one of three vertical mast,... | 06/10/2003 |
| 6500078 | Training device for baseball pitchers The disclosure relates to a baseball pitcher training device for training a pitcher in controlling his lower and upper body portions during the pitch preparation phase as well as the delivery and follow-through phase. The device comprises a portable balan... | 12/31/2002 |
| 6432001 | Foot position trainer apparatus A foot position training apparatus for teaching proper foot position for batting a baseball includes a foot support member formed in the shape of the sole of a shoe. A toe portion is attached to a front edge of the support member and extends upwardly and ... | 08/13/2002 |
| 6386996 | Stride analyzer and trainer An analyzer and practice aid primarily for determining a ball pitcher's or hitter's stride angle and stride length. The analyzer is comprised of a ground or floor mat with a grid imprinted on it, the grid havings a reference point from which reference lin... | 05/14/2002 |
| 6102818 | Stance and stride training device An athletic training device for teaching proper technique for hitting, throwing, and fielding a baseball has positional indicia affixed to both sides of a stance and stride mat. One side has positional indicia for teaching proper technique for hitting a b... | 08/15/2000 |
| 5947833 | Foot position teaching apparatus for batting practice A new Foot Position Teaching Apparatus for Batting Practice for assisting in the education of an individual for an effective batting stance for baseball or softball. The inventive device includes a stance mat having a batters box border and a feet separat... | 09/07/1999 |
| 5916037 | Golf swing training device and method A golf swing training device for developing the memory of a proper golf swing for every golf club a golfer uses in their game so that each swing is naturally and consistently repeated when they engage in actual play. The golf swing training device include... | 06/29/1999 |
| 5830079 | Stance and movement swing training apparatus for golf and other sports A swing stance and movement training apparatus (1) primarily for golf, but also for baseball and other swinging sports, having a buttocks bar (7), a rear hip bar (9) and rear knee brace (11) mounted on vertical supports (3 and 5, 10a and 10b, and 15a and ... | 11/03/1998 |
| 5665005 | Sport swing training device A sport swing training device has a base assembly, a height adjustable stanchion having a first end and a second end, wherein the first end of the stanchion is attachable to the base assembly. The stanchion further includes a spring to permit tipping of t... | 09/09/1997 |
| 5642880 | Batting training device A simple training device to teach a baseball batter to utilize a proper batting position. The training device is a mat marked with a first indicia designating home plate and a plurality of second indicia showing sequential segments for the batter to place... | 07/01/1997 |
| 5613677 | Baseball batting training device A batter training device (10) is provided for training a batter (B) to effectively strike a baseball by controlling the batter's stance. The device (10) is positioned on the ground (G) in front of a leading foot (F) of the batter (B). During the batter's ... | 03/25/1997 |
| 5536004 | Batting training device A simple training device to teach a baseball batter to utilize a proper batting position. The training device is a mat marked with a first indicia designating home plate and a plurality of second indicia showing sequential segments for the batter to place... | 07/16/1996 |
| 5470055 | Baseball and golf hitter's training device A baseball hitter's training device is provided, comprising a base assembly, a height adjustable stanchion on the base assembly and a spring for flexing built into the stanchion. An adjustable seat is for steadying a hitter astride the stanchion, so as to... | 11/28/1995 |