Did You Know...
...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 4419655 | Golf course play indicator devices An indicator device to inform golfers of the position of the cup on the green and other play aspects of a hole of a golf course. It has a display panel carrying a graphic representation of the hole including the tee and green, a grid of electrically energ... | 12/06/1983 |
| 4331425 | Golf score card and hole information guide A booklet having a plurality of pages incorporated therein on which the enlarged depictions of each hole of a golf course appear together with descriptive material relating to the holes with the upper outer corners of each page including a cutout area pro... | 05/25/1982 |
| 4303244 | Method for detecting golfer's head movement when putting A golf putting training device comprised of a cap with light emittor adapted to project a spot beam of light to a first position before a golfer putts, said spot to be observed by the golfer immediately after putting to see if the spot beam is in a second... | 12/01/1981 |
| 4303245 | Golf swing teaching aid A golf swing teaching aid device comprising a vertical free standing screen with an open space in its lower, middle area is disclosed. The device is tall enough and wide enough to block the golfer's view of the flight of the golf ball, yet the open, cente... | 12/01/1981 |
| 4220992 | Portable event analysis device A portable battery-powered golf analyzing device includes a keyboard usable in an input mode to insert data describing each golf shot made by a player. The data is formed into a digital word and stored in memory. The memory is of a type which is not erase... | 09/02/1980 |
| 4203604 | Golf game A golf game utilizes an elongated, flexible mat having grass-like tufts extending outwardly from one lateral surface thereof. One end of the mat is provided with a plurality of openings therein simulating holes of a golf course. A number of card-holding c... | 05/20/1980 |
| 4201384 | Set of golf balls A method of teaching golf utilizing a progression of golf balls of diminishing size. In one aspect, the method provides for starting with an oversize ball and using several increasingly smaller balls as the playing ability of the student improves until a ... | 05/06/1980 |
| 4193065 | Golf swing control alarm A device for indicating to a golfer that the golfer's target control arm is being bent during a golf swing comprised of a housing having an electrical power supply and associated circuitry including a buzzer or light for generating a signal connected to a... | 03/11/1980 |
| 4184270 | Visual aid to broadcasted golf games A visual aid for broadcasted golf games consists of a three-dimensional relief map of holes on real golf courses. The map is imprinted with vertical and horizontal grid lines and coordinates. Grid locations of played ball positions are broadcasted so that... | 01/22/1980 |
| 4163941 | Video speed analyzer of golf club swing or the like A video device and method for analyzing golf club swings or the like includes means for detecting the golf club swing and calculating the resultant velocity of the club head. The velocity is then displayed on a display device in either a digital or analog... | 08/07/1979 |
| 4160942 | Golf ball trajectory presentation system A trajectory calculator receiving data indicating initial values of golf ball flight angle, velocity and spin, calculates the apparent elevation and deflection angles at which the golf ball would be seen by an observer at the launch point. An optical obje... | 07/10/1979 |
| 4132462 | Filamentary projection system A photographic projection screen formed of separate parallel filaments having a center-to-center spacing equal to their diameters allows a projectile to be driven through it with minimal disturbance to image projected upon it.... | 01/02/1979 |
| 4101130 | Golf mat A pliable mat for use by golfers for improving their stance and swing. The mat has a generally rectangular shape, is provided with cut-out portions delineating the position of the right and left feet of the golfer and has appropriately located indicia of ... | 07/18/1978 |
| 4034991 | Swing training apparatus Apparatus for use by one manipulating a device to be swung such as a golf club, bat or the like. A weighted member such as a slider is secured to another member for guiding the slider through a pre-determined path, such for example, as an arcuate guide me... | 07/12/1977 |
| 4005870 | Golf putting training method A method and machine for teaching the reading of golf putting greens wherein the distance to the cup is calculated and a corresponding force is selected and perfectly applied to a golf ball by the putting machine to verify the calculation. The steps may b... | 02/01/1977 |
| 4005261 | Method and apparatus for producing a composite still picture of a moving object in successive positions A storage-type image pick-up tube having a shutter associated therewith and a memory device are synchronously operated to produce a composite video signal which, when repeatedly applied to a video monitor or other image display device, provides a composit... | 01/25/1977 |
| 4000905 | Practice mat for golfers A mat for guiding golfers in addressing the ball on which are indicated positions and angles for the feet, placement of the ball and guide lines to indicate the proper direction to be traversed by the club.... | 01/04/1977 |
| 3953034 | Laser beam golf swing training device A laser beam golf swing training device including a laser beam source mounted on or within the shaft of a golf club and a convex mirror located on the golf club head between the club face and hosel to spread a laser beam into a fan of light and project th... | 04/27/1976 |
| 3949987 | Golfer's aid A golfer's aid for laying out in simulation form one or more holes of golf for the purpose of studying and then subsequently playing each such hole for the minimum score for the golfer's ability wherein each simulated hole is provided by a first sheet hav... | 04/13/1976 |
| 3937466 | Method for playing strategy golf A kit for laying out in simulation form one or more holes of golf for the purpose of studying and then subsequently playing each such hole for the minimum score for the golfer's ability wherein each simulated hole is provided by a first sheet having marki... | 02/10/1976 |
