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York, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for manufacturing K-files and reamers
- Patent number 5,065,549
- Issue date Nov 19, 1991
- Union Broach
- Robert D. Speiser
- B24 - GRINDING POLISHING
Information Patent Grant
Method and apparatus for manufacturing K-files and reamers
- Patent number 4,999,952
- Issue date Mar 19, 1991
- Union Broach
- Robert D. Speiser
- B24 - GRINDING POLISHING

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