Did You Know...
...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 7326123 | Golf swing training device A training device for strengthening the swing muscle groups of a golfer while enhancing proper muscle memory, wherein the device includes a hollow ball having a meridian line that divides the ball into two visually distinct hemispheres, and further including a pair ... | 02/05/2008 |
| 7220186 | Bowling ball insert providing finger tip gripping A finger grip system is provided for obtaining maximum rotation and a resulting pronounced hook when releasing a bowling ball. The system includes drilled holes for receiving a bowler's middle finger, ring finger and thumb, the holes being spaced such that only fing... | 05/22/2007 |
| 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 |
| 6912796 | Assembly aid An assembly aid in which a self-adhesive component can be placed and with which the component is precisely positioned on or relative to a surface for adhesion. The assembly aid having a template-like structure. Thus, the assembly aid has an opening that is matched t... | 07/05/2005 |
| 6671971 | Bowling ball angulator and methods of use A device for locating bowling ball gripping apertures with respect to a bowling ball weight block angle inherent to that particular bowling ball and the track of a particular bowler. One embodiment of the device includes a curved base portion adapted to s... | 01/06/2004 |
| 5813129 | Guiding disk for drilling holes on a bowling ball A guiding disk for accurately and quickly finding drill holes on a bowling ball, for finding hole positions for certain characteristics of pushaway on different bowling balls, and for avoiding positioning any hole above that of a weight in the bowling bal... | 09/29/1998 |
| 5603165 | Bowling ball measuring template A template for weighting and placement of finger holes in a bowling ball has a meridian plane indicator and an angular indicator. The meridian indicator includes a scale which determines the distance between placements of finger holes and a thumb hole for... | 02/18/1997 |
| 5601385 | Apparatus for fitting and drilling bowling balls Delays in fitting and drilling bowling balls are eliminated in a point of sale bowling ball fitting and drilling apparatus. A fitting apparatus (30) includes two movable finger blocks (34), (36) and a thumb aperture (38). Through the use of inserts taken ... | 02/11/1997 |
| 5456016 | Gauge to indicate a correct alignment for the thumb hole of a bowling ball A gauge for indicating the correct alignment for a thumb hole of a bowling ball having a ring with a circular abutment section having a central axis, the ring having an aperture through the opening inside the abutment section, the ring also having a circu... | 10/10/1995 |
| 5181325 | System for duplicating bowling ball finger and thumb holes A system for transferring finger and thumb hole locations from a first bowling ball having finger and thumb holes to a second bowling ball which employs a transparent template marked to show the hole locations and the location of the first bowling ball po... | 01/26/1993 |
| 5092054 | Arcuate measuring device, and methods of constructing and utilizing same An arcuate measuring device for measuring distances along a spherical body such as a bowling ball. The device includes a curved guide member including measurement marking thereon. A measurement device is slidably retained on the guide member. Removable pi... | 03/03/1992 |
| 4742620 | Bowling ball weight locating method and apparatus A method and apparatus for determining: (1) the location of a weight block in a previously undrilled bowling ball; (2) locating thumb and finger grip holes and determining a depth for each hole on a previously undrilled bowling ball such that the bowling ... | 05/10/1988 |
| 4191357 | Duplicator for bowling ball finger and thumb holes An apparatus, and method, for producing finger and thumb holes in one bowling ball which are identic to those existing in another bowling ball; the essential purpose being to duplicate--in a new bowling ball, for example--the exact size, shape, direction,... | 03/04/1980 |
| 4150822 | Bowling ball assembly A bowling ball assembly comprising a spherical major body portion having a larger and a smaller cavity for insertion of larger and smaller plugs, the larger plug having an off-center cavity for insertion of a third plug. A thumb hole is located in either ... | 04/24/1979 |
| 4102049 | Grip measuring device A device for measuring the grip size of a human hand to determine the proper size of a sporting implement handle such as found on a tennis racket or the like, the device comprising a rigid, transparent planar surface, said surface having indicia disposed ... | 07/25/1978 |
| 4067110 | Thumb finger hole positioning device for bowling balls A bowling ball shaped device having a hollow interior and appropriate cut out wall portions with three receptacles, adjustably mounted therein, with plugs, removably disposed in the respective receptacles, provided with holes fitted to the thumb and two f... | 01/10/1978 |
