Elton D. Engel

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Livonia, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Device for inserting picture slides into storage pockets
- Patent number 4,831,810
- Issue date May 23, 1989
- Creative Endeavors, Inc.
- Elton D. Engel
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Identification card, sensor, and system
- Patent number 4,338,025
- Issue date Jul 6, 1982
- Elton D. Engel
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Identification card, sensor, and system
- Patent number 4,202,120
- Issue date May 13, 1980
- Elton D. Engel
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER