Ronaldo M. Sanabria

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Chicago, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Gravity lock bookstand and binder
- Patent number 4,880,327
- Issue date Nov 14, 1989
- Sanabria; Richard F.
- Ronaldo M. Sanabria
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER