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Magician Harry Houdini patented a "Diver's Suit" enabling the wearer to "quickly divest himself of the suit while being submerged and to safely escape and reach the surface of the water."
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| Number | Title | Issue Date |
| 8113964 | Methods and systems for identifying the launch positions of descending golf balls Identification of the tee-off bay (52;53) from which a golf ball landing on a golf-range target (51) originated, is made by calculating an estimate of flight duration (Edurk) of the descending ball as a function of the measured angle (β) of... | 02/14/2012 |
| 7479067 | Golf marker and method of use A marker for a golf course and a method for using the marker that can have a changeable message. The marker can have a transparent plastic outer body, a display means, a changeable message and an anchoring device. There can also be an adhesive pad that can connect t... | 01/20/2009 |
| 7321330 | Ball measuring apparatus The present invention provides a ball measuring apparatus capable of measuring a trajectory of a ball from a hitting position to a landing position, the landing position and a stop position. A ball measuring apparatus 100 according to a first embodiment inclu... | 01/22/2008 |
| 7286230 | Alignment system, device and method A system for aligning an object with a target is disclosed. The system allows an operator to monitor the alignment of the object, either while the object is stationary or while the object is moving through a trajectory, without requiring that the operator directly v... | 10/23/2007 |
| 7283647 | Method and system for physical motion analysis and training of a golf club swing motion using image analysis techniques The analysis tool is a system and method for providing athletic training and instruction as it pertains to a golf club swing motion, specially a golf putting stroke motion. The analysis tool provides analysis information to a user from the analysis of at least one v... | 10/16/2007 |
| 7266916 | Apparatus for displaying printed information inside a golf hole A golf hole advertising apparatus comprises a housing countersunk in ground. The housing defines a cylindrical chamber with an opening for receiving a golf ball (not shown). The apparatus further comprises an annular display disc which is configured to fit through o... | 09/11/2007 |
| 7192360 | Golf practice device A golf practice device that can be utilized for both practice as well as playing of one or more games. The golf practice device includes a base member adapted to be conformable and removably fixable to a ground surface, preferably utilizing securing elements include... | 03/20/2007 |
| 7159864 | Golf game apparatus A golf game apparatus which provides a unique form of swing measurement, scaled course maps for play, and interchangeable club heads to play with. The apparatus is particularly suited to indoor play with the scaled maps. The apparatus features recordable ball distan... | 01/09/2007 |
| 7150681 | Distance marker for a golf course, and a golf course A device for marking a distance to a golf player when playing golf on a golf course, the golf course comprising an area established for striking out a golf ball and an essentially open field, the device comprising a body adapted to be positioned in a visible manner ... | 12/19/2006 |
| 7118105 | Miniature golf game A miniature golf game involving a miniature golf hole having a playing surface including a tee-off area and a ball-receiving cup. The hole includes a pachinko game or other game of chance, which may be positioned within the playing surface or otherwise adjacent the ... | 10/10/2006 |
| 7112151 | Golf club alignment apparatus A golf club alignment apparatus includes a golf club head portion which includes an optimal ball hitting portion also known as a “sweet spot”. One or two laser units are connected to the golf club head portion, and the laser units project planar laser beams (e. ... | 09/26/2006 |
| 7066827 | Golf training apparatus A golf training apparatus to help golfers hit a golf ball more effectively and consistently. The apparatus includes a base with first markings along a first edge thereof to indicate positions for locating a golfer's feet adjacent the base, and second markings along ... | 06/27/2006 |
| 7037208 | Compact golf facility and a method of playing a golf game A method of playing a golf-type game at the facility comprises placing a ball at one of the starting points, hitting the ball toward the appropriate target, and determining the surface type on which further play continues or determining the score based upon where th... | 05/02/2006 |
| 7004851 | Golf training aid A golf training aid for improving putting stroke and stance is transparent plastic in the shape of a tunnel, the bottom being open for placement on grass or carpet. A guide slot is formed by a rectilinear guide slot housing centrally disposed along the length of the... | 02/28/2006 |
| 6974390 | Golf practice system A golf practice and exercise system having a practice ball and a target assembly, using either a conventional or practice golf club. The practice ball is any generally spherical shape made of a flexible material and having an internal pressure of approximately atmos... | 12/13/2005 |
| 6941890 | Underground marking systems and methods for identifying a location of an object underground An underground marking system for marking buried objects is constructed from synthetic, brightly colored materials, which provides redundant horizontal and vertical markers and the ability to trace back to the buried object. The system is economical and easily insta... | 09/13/2005 |
| 6929557 | Golf putting teaching device A golf putting teaching device includes a path with two side walls and each side walls has a plurality of first sensors on an inside thereof. An end piece has a top board and two side portions. The end piece is mounted across two sides of the path and a plurality of... | 08/16/2005 |
| 6902494 | Golf practice device A practice device for use by golfers to practice golf swings includes a body having an opening. A ball-supporting surface is formed generally over the opening for supporting a golf ball thereon. The practice device also includes a supporting device spanning the open... | 06/07/2005 |
| 6884178 | Kit and method for playing a golf-like game Kits and methods for playing a golf-like game provide golfers with a fun and challenging alternative to conventional golf. A kit comprising three T-joints, three tubes, three poles, three flags, a mat of artificial turf, a marker, and six plastic golf balls is discl... | 04/26/2005 |
| 6837797 | Great putting game A method for playing a putting game on a golf green surface is disclosed. Each player is provided a like plurality of golf balls, each ball having a unique feature for association with one player. In each round, all balls are placed on the circumference of a circle ... | 01/04/2005 |
| 6793585 | Swing measurement method, golf swing analysis method, and computer program product A swing measurement method of directly measuring a swing behavior without being influenced by flexure of an impact implement, such as a golf club or baseball bat is provided. In addition, a golf swing analysis method and computer program product having computer prog... | 09/21/2004 |
| 6773356 | Golf swing practice apparatus and associated method A golf swing practice apparatus comprises a playing surface for a golfer to thereon practice a swing, and a reflector positioned adjacent the playing surface, the reflector comprising a curved reflecting surface adapted for focusing a reflection of a golf ball so as... | 08/10/2004 |
| 6746337 | Retractable target marker A retractable target marker is a device designed to provide golfers the ability to aim at a visible target when practicing in an open field. The device has been designed to withstand reasonable winds through the use of a retractable support element and a colored cas... | 06/08/2004 |
| 6540620 | Golf putter training device incorporating processor and counter mechanism A putter training device for judging a speed of impact of a golf club head upon a golf ball and including an elongated structure with a first guide wall and a second spaced apart and substantially parallel extending guide wall. A golf ball placement posit... | 04/01/2003 |
| 6416427 | Golf driving range sighting device A handicap-calibrated visual sighting device enabling a golfer at the driving range to rate each shot they make in regard to the shots accuracy on a substantially lateral plane for bringing competition to the driving range and providing an entertaining en... | 07/09/2002 |
| 6336875 | Fantasy golf game A simulated golf game whereby a scale course map, rules of play and a ball locator device for plotting the location of each shot are used by a player in conjunction with actual shots taken at a conventional golf driving range. For each driving range shot,... | 01/08/2002 |
| 6322455 | Interactive golf driving range facility An interactive golf driving range and practice facility including an apparatus and method for detecting the down range impact of golf balls, for processing information derived from the impact data, for providing the golfer with statistical information, an... | 11/27/2001 |
| 6312345 | Golf practice platform for a variety of golf shots A golf ball hitting platform for practicing a variety of golf shots having a base upon which a golfer stands and interchangeable teeing panels at the teeing area, including a fairway teeing panel, a rough teeing panel, a bunkerboard teeing panel, a bunker... | 11/06/2001 |
| 6142882 | Base anchor indicator and plug A device used to plug an opening into and locate a receptacle in an anchor to a base employed on a playing field. The device has an elastic body that has a shape sufficiently large to extend across the opening of the receptacle. A flexible indicator is co... | 11/07/2000 |
| 6099139 | Landscape lighting Landscape lighting includes a shaft excavated in a ground surface. A telescopic pole assembly, which is movable between a telescopically extended position and a retracted position, is anchored within the shaft. The entire telescopic pole assembly is conce... | 08/08/2000 |
| 6099412 | Flexible distance marker for golf course A flexible marker system includes a cup member having an aperture centered in its base through which a stake is inserted. The anchor has a tapered stem with two triangular anchor plates extending from the tapered stem. A flexible hinge has two opposing cy... | 08/08/2000 |
| 5868630 | Golf course indicator device A golf course indicator for providing information to golfers to help in club selection and understanding course layout. The indicator includes a generally planar upper surface which includes indicia for providing information to a golfer and a post mount f... | 02/09/1999 |
| 5818036 | Laser aided practice putting device and method Apparatus and methods for practicing golf involve the use of a projected laser light beam that acts as a fixed guide to the hole or target.... | 10/06/1998 |
| 5769731 | Golf course distance marker and method of using the same A golf course distance marker suited for anchoring in grassy turf includes a cap, an integral hole stop shoulder, a circumferential blade depending from the outside periphery of the shoulder, and a central anchor stem. Distance data is indicated preferabl... | 06/23/1998 |
| 5626525 | Golf distance marker One embodiment of the present invention comprises a tee marker sign (90) which includes a graphic representation of a particular golf hole, number 10, which includes three separate tee boxes--a ladies' tee (92), a men's tee (94) and a championship tee (96... | 05/06/1997 |
| 5607153 | Distance marker within a golf course fairway A visual distance marker for a golf course fairway which provides viewable indicia of distance along the fairway. The marker member has a generally uniform x- or cross-shaped cross section which facilitates being viewable from any direction on the fairway... | 03/04/1997 |
| 5593156 | Ground marker and methods of using same to mark distances and/or advertise on a golf course A ground marker is provided for displaying distance and advertising information on a golf course. The marker has a body that is dimensioned to fit entirely within a predetermined size hole defined in the ground. The body has a top portion and a base that ... | 01/14/1997 |
| 5580319 | Miniature golf course maze A miniature golf putting course laid out in the form of a maze. The miniature golf course is placed inside of a maze and is then controlled by a series of gates. Changing the position of the gates changes the route one must follow to correctly negotiate t... | 12/03/1996 |
| 5564988 | Range golf system A golf ball receiving area can be the size of a conventional golf driving range, and is coordinately subdivided in area by pluralities of uniformly spaced latitude and longitude markers used for measuring both distance along and lateral deviation from an ... | 10/15/1996 |
| 5532677 | Variable distance marker A variable distance marker system includes a display mounted in a housing and attached to electronics circuits having a light detector for receiving externally generated light signals. A rechargeable battery and a solar cell array are interconnected for s... | 07/02/1996 |
