Michael N. Friedman

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Centerport, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Spiral binder with locking element
- Patent number 6,045,285
- Issue date Apr 4, 2000
- Michael N. Friedman
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Ring binder with locking device
- Patent number 6,010,270
- Issue date Jan 4, 2000
- Friedman; Michael N.
- Michael N. Friedman
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Reusable/refillable spiral binder
- Patent number 5,417,508
- Issue date May 23, 1995
- Michael N. Friedman
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Combined cover and storage compartment for a ring binder
- Patent number 5,042,841
- Issue date Aug 27, 1991
- Michael N. Friedman
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Indexing systems
- Patent number 4,863,194
- Issue date Sep 5, 1989
- Michael N. Friedman
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Loose leaf holder for use with ring binders
- Patent number 4,795,287
- Issue date Jan 3, 1989
- Michael N. Friedman
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Binder for perforated sheets or the like
- Patent number 4,374,627
- Issue date Feb 22, 1983
- Michael N. Friedman
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER