Joseph G. Kovaleski

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New Haven, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Adjustable belt sander for wood
- Patent number 5,133,156
- Issue date Jul 28, 1992
- Penn Keystone Corporation
- Thomas H. Arms
- B24 - GRINDING POLISHING
Information Patent Grant
Magnetically activated fiber optic switch
- Patent number 4,796,966
- Issue date Jan 10, 1989
- Joseph G. Kovaleski
- G02 - OPTICS