Frederic P. Nelson

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Minneapolis, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Personal identification method
- Patent number 4,798,403
- Issue date Jan 17, 1989
- Frederic P. Nelson
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Alarm device
- Patent number 4,633,232
- Issue date Dec 30, 1986
- Nelson; Frederic P.
- Frederic P. Nelson
- G08 - SIGNALLING