...that two musicians were responsible for the invention of color print film? Fascinated by photography, Leopold Godowsky and Leopold Mannes worked together to produce an easy-to-use, practical color film. They worked full time as music teachers and gave concerts while experimenting during their off hours in Mannes' kitchen. Their success earned them full-time, well-paying jobs at Kodak and their efforts resulted in Kodachrome film, which was introduced in 1935.
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| Number | Title | Issue Date |
| 7285054 | Golf skill development and practice device An apparatus for developing and practicing golf skills that is readily portable and which can be used in a relatively restricted or confined areas is provided. The apparatus includes a shot indicator mounted on a vertical shaft which is caused to rise on the vertica... | 10/23/2007 |
| 7214137 | Portable golf swing practice device having a separable cord shield incorporated therein The golf swing practice device has a floor pad; a hollow tee extending upward from a surface of the floor pad, a ball resting on an end of the tee; and an elastic cord attached to the ball and to the floor pad and extending through the tee. The golf swing practice d... | 05/08/2007 |
| 7134975 | Ball game apparatus Apparatus for practicing the techinque of lofting a ball, the apparatus having a support frame containing two upright supports linked by a horizontal cross-bar. Two inclined guideways extend between ground anchors and the supports. A substantially inelastic reciproc... | 11/14/2006 |
| 7131916 | Baseball swing trainer The present invention relates to a baseball swing trainer. In a first embodiment, a ball is pivotally attached to a vertical arm which is slidably attached to an oblique arm, the oblique arm is attached to a horizontal arm which is attached to a support structure; t... | 11/07/2006 |
| 7040997 | Golf practice system An apparatus to be used to practice golf shots in limited space. A golf ball is tethered to one end of a line and the other end of the line is secured to a support which is calibrated to indicate the distance the ball would have traveled, when struck by a golf club,... | 05/09/2006 |
| 6651497 | Pitching training tool with indicator The present invention provides a pitching training tool, comprising a rod-shaped body portion, which has a hollow, cylindrical shaft portion that is lighter than a regulation ball, and a gripping portion, which is integrally formed to one end of this shaf... | 11/25/2003 |
| 6348018 | American football supported with air layer An American football includes a ball cover including four elliptical cover pieces sewn edge to edge together, wherein each cover piece comprises an outer elliptical cover skins, an elliptical inner lining for supporting between the outer cover skin, and a... | 02/19/2002 |
| 5885164 | Golf practice aid This invention relates to a golf practice aid which allows the golfer to estimate the distance and direction of a struck ball, while using a limited space, not compromising the feel and rotation of the ball and allowing for the golf ball to come to rest n... | 03/23/1999 |
| 5762562 | Golf practice device A golf practice device has an angled, curved or straight frame made of tubular steel on which two anchor points are formed between which a rope is tensioned. A golf-ball-like body is tracked along the rope by means of a flexible connector. A strike plate ... | 06/09/1998 |
| 5544886 | Golf practice device A system for enabling golf practice to be held in a limited space including: a cylindrical, PVC, pipe casing containing weight means and having a first end with an end cap fastened thereon, an eye bolt fastened to said first end cap, and a second end havi... | 08/13/1996 |
| 5255920 | Training device for golfers A relatively inexpensive compact golf training system with digital readouts of the theoretical carry and the distance to the right or left, from a straight drive, caused by either a slice or hook. The system is battery powered, portable and can be used in... | 10/26/1993 |
| 5156400 | Golf swing practice device A golf practice device for determining a flight path and a travel distance of a driven golf ball with the device including a flexible base having a housing mounted thereon. A driving power mechanism is accommodated in the housing, with the driving power m... | 10/20/1992 |
| 5121923 | Golf training device A golf training device comprising a vertical stand projecting up from a playing surface, a horizontal arm projecting from the stand, an elongate connector part rotatably carried by and projecting radially from the arm on a central radial turning plane con... | 06/16/1992 |
| 5056790 | Golf practice device A golf practice device in which a practice ball (16) is connected by a flexible cord (18) to a ball-control frame (11) mounted rotatably on a base (10), characterized in that: when the device is arranged operatively, the base is secured at a location at w... | 10/15/1991 |
| 4993709 | Ball game apparatus A ball game apparatus includes a loosely put-up net, an elastic cord one end of which is connected to a fixed frame of the net and the other end of which is connected to a ball, and a target, located behind the net, for outputting ball speed and hit signa... | 02/19/1991 |
| 4971326 | Practice device for golfers An indoor-outdoor golf practice device for use with all golf club woods, irons and wedges wherein a lightweight practice golf ball is attached with a selectable length cord to a single fold-over, flexible flap. The flap contains one or more small calibrat... | 11/20/1990 |
| 4941667 | Golf practicing apparatus Golf practising apparatus comprising a housing (1) having mounted therein a capstan (7) for a line (19, 26) which has a golf ball (27) attached to one end thereof. The housing is provided with a pivotal ground anchorage device (20) and an elongated line g... | 07/17/1990 |
| 4932660 | Golf practice device A golf practice device for a player to improve the player's swing of a golf club by striking a practice golf ball and observing the controlled movement of the practice golf ball. The device includes a base, an inverted L-shaped support having a horizontal... | 06/12/1990 |
| 4655460 | Golf practice device A golf kit for practicing golf driving, pitching and chipping, employs a portable driving mat having two or more simulated turf portions having different heights, a tee, a lightweight plastic practice golf ball tethered by a string to the driving mat or t... | 04/07/1987 |
| 4573687 | Golf training device This invention relates to a golf training device which includes a frame (1), a golf ball (2) which before a shot is placed on a specific place relative to the frame and which is also joined to one end of a cord (3). The other end of the cord (3) is joined... | 03/04/1986 |
| 4496156 | Golf practice device Apparatus for use in practicing the driving of golf balls has a stand provided with a laterally disposed arm provided with a rotor to which a golf ball is held captive by means of a depending arm connected to the ball by a cord. A meter records the number... | 01/29/1985 |
| 4240592 | Retrieving apparatus for tethered sports missile Apparatus for retrieving a tethered sports missile has a horizontal spool element of relatively large diameter and a hooplike line-guiding element arranged for deployment substantially concentric with the spool element and transverse to the spool axis and... | 12/23/1980 |
| 4139197 | Practice device for hitting a ball A practice device for hitting a ball is provided which includes a housing and a device for attaching the housing in a relatively fixed position, and a line connector and a suitable device for attaching the connector in a relatively fixed position spaced f... | 02/13/1979 |
| 4119318 | Golf ball flight indicating device A golf swing training device comprises a slide guide track and a slide mounted slidably along the track. The slide carries a friction engagement means which grip a portion of the slide guide track therebetween, to provide frictional resistance to the slid... | 10/10/1978 |
| 4114888 | Golf tour game A plurality of distinctly different 18 hole golf tournament maps are stored in rolled condition on separate rollers in a carrying case. A golf ball driving unit simulates how far a driven golf ball will travel. The golf ball driving unit comprises a housi... | 09/19/1978 |
| 4113257 | Golf practice device An improved golf practice device of the type in which a tethered hollow ball formed from a resilient material rotates about a horizontal axis when struck by a golf club head, with the hollow ball being permanently held in a fixed position on the free end ... | 09/12/1978 |
| 4071250 | Golf practice drive analyzer A golf driving parctice device wherein a practice golf ball is anchored to a mat by a tether including first a chain including links of uniform length and weight secured to the mat and, second, a substantially weightless flexible cord connecting the chain... | 01/31/1978 |
| 4022476 | Golf practice device A golf practice device includes a solid golf ball which is mounted within a thin net of cords carried on the bottom end of a flexible cable. A spring connects to the top end of the cable to absorb the force when the ball is struck. The top end of the spri... | 05/10/1977 |
| 4014552 | Tethered golf ball meter A tethered golf ball is attached to a meter which registers the distance and direction of the expected travel of the golf ball. The distance of travel is measured as a function of the pull on an elastic. The direction of travel is registered by the positi... | 03/29/1977 |