Xun Lei

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Cheswick, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Work holding apparatus
- Patent number 6,401,579
- Issue date Jun 11, 2002
- Delta International Machinery Corp.
- Xun Lei
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Parallel arm scroll saw and drive mechanism with visual speed indic...
- Patent number 6,363,822
- Issue date Apr 2, 2002
- Delta International Machinery Corp.
- Xun Lei
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Tool fixture for abrading apparatus
- Patent number 5,545,081
- Issue date Aug 13, 1996
- Delta International Machinery Corp.
- Jeffrey L. Haffely
- B24 - GRINDING POLISHING
Information Patent Grant
Adjustable tool platform and an abrading machine including the same
- Patent number 5,505,655
- Issue date Apr 9, 1996
- Delta International Machinery Corp.
- Jeffrey L. Haffely
- B24 - GRINDING POLISHING
Information Patent Grant
Grinding and sharpening machine
- Patent number D366662
- Issue date Jan 30, 1996
- Delta International Machinery Corp.
- Jeffrey L. Haffely
- D15 - Machines not elsewhere specified

Patents Applicationslast 30 patents

Information Patent Application
PARALLEL ARM SCROLL SAW AND DRIVE MECHANISM WITH VISUAL SPEED INDIC...
- Publication number 20010037714
- Publication date Nov 8, 2001
- XUN LEI
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
WORK HOLDING APPARATUS
- Publication number 20010017070
- Publication date Aug 30, 2001
- XUN LEI
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC