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Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing operation rod of wrench assembly for disas...
- Patent number 11,628,488
- Issue date Apr 18, 2023
- CHIUANYOU METAL CO., LTD.
- Chin-Chung Chang
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
3877147
- Patent number 3,877,147
- Issue date Apr 15, 1975
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
3872708
- Patent number 3,872,708
- Issue date Mar 25, 1975
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
3817077
- Patent number 3,817,077
- Issue date Jun 18, 1974
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
2057440
- Patent number 2,057,440
- Issue date Oct 13, 1936
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...