Robert C. Francis

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Maplewood, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Radio frequency identification systems for asset tracking
- Patent number 6,669,089
- Issue date Dec 30, 2003
- Eric R. Cybulski
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Object tracking and management system and method using radio-freque...
- Patent number 6,600,418
- Issue date Jul 29, 2003
- 3M Innovative Properties Company
- Robert C. Francis
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Radio frequency identification systems for asset tracking
- Publication number 20030089771
- Publication date May 15, 2003
- 3M Innovative Properties Company
- Eric R. Cybulski
- B66 - HOISTING LIFTING HAULING
Information Patent Application
Object tracking and management system and method using radio-freque...
- Publication number 20020070862
- Publication date Jun 13, 2002
- Robert C. Francis
- G06 - COMPUTING CALCULATING COUNTING