involving grinding wheels

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Patents Grantslast 30 patents

Information Patent Grant
Prognostic and health management system for precision ball grinding...
- Patent number 11,883,920
- Issue date Jan 30, 2024
- Tan Kong Precision Tech Co., Ltd.
- Ya-Chen Hsu
- B24 - GRINDING POLISHING
Information Patent Grant
Bowling ball surface treatment machine and bowling ball surface tre...
- Patent number 7,585,203
- Issue date Sep 8, 2009
- Sang-Bae Shim
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Apparatus for manufacturing substantially spherical objects to a hi...
- Patent number 4,541,204
- Issue date Sep 17, 1985
- Bobby J. Reneau
- B24 - GRINDING POLISHING
Information Patent Grant
Manufacture of sponge rubber spheres
- Patent number 4,271,639
- Issue date Jun 9, 1981
- Anselm Talalay
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
3445876
- Patent number 3,445,876
- Issue date May 27, 1969
- B24 - GRINDING POLISHING
Information Patent Grant
2980935
- Patent number 2,980,935
- Issue date Apr 25, 1961
- B24 - GRINDING POLISHING
Information Patent Grant
2734317
- Patent number 2,734,317
- Issue date Feb 14, 1956
- B24 - GRINDING POLISHING
Information Patent Grant
1719965
- Patent number 1,719,965
- Issue date Jul 9, 1929
- B24 - GRINDING POLISHING