Donna E. Richards

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Riverside, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Hinged loose-leaf retainer system
- Patent number 5,423,624
- Issue date Jun 13, 1995
- Donna E. Richards
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Loose leaf retainer for file folders
- Patent number 4,932,804
- Issue date Jun 12, 1990
- Donna E. Richards
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER