Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Columbia Industries, Inc. Patents
Assignee:
Columbia Industries, Inc.
Address:
San Antonio, TX
No. of patents:
7
Patents:












Patent Number Title Of Patent Date Issued
5584767 Bowling ball finger insert having a wear indicator December 17, 1996
A finger insert having a wear indicator and adapted for installation along the wear surface in a finger hole of a bowling ball. The insert is a composite structure formed of a polymeric material and has a primary layer of a first color and a secondary layer of a contrasting second color.
5462491 Bowling ball with weight block October 31, 1995
A bowling ball comprises a core surrounded by a cover stock. The core comprises a body with its center positioned substantially coincident with the bowling ball's geometric center and a weight block positioned as close to the outer surface of the bowling ball as possible. The weight bloc
4522397 Filled shell bowling ball June 11, 1985
A bowling ball having hard and inflexible flake materials arranged in a substantially interlocking relationship and located at or just below the outer surface of the bowling ball to form a substantially continuous interlocking armored layer about the bowling ball which causes it to have
4328967 Lightweight bowling ball May 11, 1982
A bowling ball having an inner core and at least one thermosetting resin shell which contains sufficient lightweight particles, such as unicellular borsilicate glass spheres, having a diameter within the range of from about 10 to 100 microns and evenly dispersed therethrough to reduce th
4309377 Polymer alloy bowling ball January 5, 1982
A bowling ball having a thin viscous film deposited upon its surface from within the ball for increasing the coefficient of friction between the ball and the bowling lane. The film comprises a saturated plasticizer incorporated into the ball at the time of manufacture that slowly exudes
4253665 Polymer alloy bowling ball March 3, 1981
A bowling ball having a thin viscous film deposited upon its surface from within the ball for increasing the coefficient of friction between the ball and the bowling lane. The film comprises a saturated plasticizer incorporated into the ball at the time of manufacture that slowly exudes
4104352 Method of making a bowling pin August 1, 1978
Method of making a hollow bowling pin comprising a base, body and cap wherein at least said body is composed of a thermoset composition, and said base and cap are composed of a thermoset or thermoplastic composition. The body of said pin may be composed of two or more sections of dif

 
 
  Recently Added Patents
Semiconductor device and manufacturing method
Conversion of 5-(chloromethyl)-2-furaldehyde into 5-methyl-2-furoic acid and derivatives thereof
(4932
Method and apparatus for executing load distributed printing
System and method for enhanced transaction payment
Processing financial documents
Traffic signal mapping and detection
  Randomly Featured Patents
Numerical control system and method for a three axes movement
Method and a base station for detecting loss of synchronization
Holder for a play ball soap container and attached children's wash cloth
Cosmetic tester
Vehicle safety sensor
Network on chip with caching restrictions for pages of computer memory
Detack enhancement for electrostatographic document copiers/printers
Back rest with adjustable shoulder rest for the seats of motor vehicles
Buffer composition base and method of formulation for oral vaccine delivery
Device for moving and guiding a motion-picture film in a telecine scanner