Donald A. Dixon

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Aspen, CO, US

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Patents Grantslast 30 patents

Information Patent Grant
Credit card with magnifying lens
- Patent number D387802
- Issue date Dec 16, 1997
- Alan Finkelstein
- D19 - Office supplies
Information Patent Grant
Credit card with magnifying lens
- Patent number 5,608,203
- Issue date Mar 4, 1997
- Alan Finkelstein
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Credit card with a fresnel magnifying lens formed in a section of t...
- Patent number 5,434,405
- Issue date Jul 18, 1995
- Alan Finkelstein
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Credit card with magnifying lens
- Patent number 5,412,199
- Issue date May 2, 1995
- Alan Finkelstein
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER