Harold M. Ingram

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Williamsport, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Card file drawer for apertured index cards
- Patent number 4,005,797
- Issue date Feb 1, 1977
- Bro-Dart Inc.
- Harold M. Ingram
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER