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| Number | Title | Issue Date |
| 7299685 | Golf ball equator locating apparatus An apparatus for locating and marking an equator of a golf ball is provided and includes a rotation plate shaped to support a golf ball is provided in a housing. The housing encloses a motor and the motor is attached to the rotation plate and is capable of imparting... | 11/27/2007 |
| 7111492 | Device for testing balls A ball testing device having a compact housing with a microphone for receiving the sound generated when a ball strikes a surface and generating output signals. An electrical circuit in said housing is configured to receive the output signals and process the signals ... | 09/26/2006 |
| 7066823 | Adjustable bowling ball measuring and marking device A device for determining the placement of gripping holes with respect to the pin and/or the center of gravity and/or the mass bias of a bowling ball has a meridian plane indicator, a vertical axis plane indicator and a horizontal axis plane indicator. The meridian p... | 06/27/2006 |
| 7047877 | Hand-held device for marking a golf ball A hand-held device for marking a golf ball has a handle and first and second forks (or arms) for holding the golf ball between the forks. The golf ball is held between a ball-receiving portion of the first fork and a rubber gripper rotationally mounted to the second... | 05/23/2006 |
| 6971263 | Golf ball precision balancing system A compact, portable, and expedient system for precisely testing the balance of balls used in sports and competitive games, which includes a test container slightly larger than the ball being tested. Preferably, the test container has several spaced-apart ball-center... | 12/06/2005 |
| 6945879 | Multi-layered balanced golf-ball A golf ball includes a core, an intermediate layer and a cover. The core is formed of a first composition, the intermediate layer is formed of a second composition, and the cover is formed of a third composition. The specific gravity of each of the first, second and... | 09/20/2005 |
| 6862984 | Method and device for marking golf balls A method and device for marking golf balls that allows for the placement of a putting directional indicator (PDI) along the dynamic axis of a ball. While golfers could use the device to mark individual balls after they have been purchased (i.e. after they already ha... | 03/08/2005 |
| 6742449 | Method and device for marking golf balls A method and device for marking golf balls that allows for the placement of a putting directional indicator (PDI) along the dynamic axis of a ball. While golfers could use the device to mark individual balls after they have been purchased (i.e. after they already ha... | 06/01/2004 |
| 6085578 | Apparatus and method for detecting mass eccentricity A spherical object is positioned on a rotation stage, the rotation stage is rotated, and a deviation detector detects whether the spherical object deviates from the rotation stage or not. A rotation frequency of the rotation stage when the object deviates... | 07/11/2000 |
| 5367129 | Bowling ball total weight/top weight scale A scale for measuring total weight/top weight of a bowling ball includes the utilization of a pair of electronic load cells supporting a moment transfer plate with the load cells being connected to a meter. In one form of the invention, the ball is center... | 11/22/1994 |
| 4928516 | Apparatus for determining the center of gravity of a spherical ball This invention is an apparatus for determining and marking an axis of an unbalanced spherical ball which axis contains its geometric center as well as its center of gravity. This axis is determined by using "contained floating" apparatus wherein a ball to... | 05/29/1990 |
| 4860578 | Method and apparatus for determining the center of gravity of a spherical ball This invention is a method for determining an axis of an unbalanced spherical ball which axis contains its geometric center as well as its center of gravity. This axis is determined by using semi-floating means in which a spherical ball is placed into a s... | 08/29/1989 |
| 4546644 | Method and apparatus for locating the dynamic axis of a sphere The dynamic axis of a sphere, e.g. golf ball, is located by spinning the sphere at high speed while it is supported on a low friction-bearing surface, thus allowing the desired stable axis to align itself with the spin axis. Markings indicative of the loc... | 10/15/1985 |
| 4111038 | Method and apparatus for determining the center of gravity of a golf ball This invention is a kit and method for testing golf balls to determine if the center of gravity is the center of the golf ball. The kit uses a liquid, such as water, having a densifying agent to increase the density of the liquid solution so a golf ball w... | 09/05/1978 |
