Joel Rosenwasser

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Dresher, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method of engraving indicia on gemstones, and gemston...
- Patent number 5,760,367
- Issue date Jun 2, 1998
- Engraving Technologies, Inc.
- Joel M. Rosenwasser
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Apparatus for laser engraving indicia on gemstones
- Patent number 5,753,887
- Issue date May 19, 1998
- Engraving Technologies, Inc.
- Joel Rosenwasser
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER