Roberto Kaje

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Hyattsville, MD, US

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Patents Grantslast 30 patents

Information Patent Grant
Remote doorbell ringer
- Patent number 6,897,765
- Issue date May 24, 2005
- Roberto Kaje
- G08 - SIGNALLING

Patents Applicationslast 30 patents

Information Patent Application
Remote doorbell ringer
- Publication number 20030122665
- Publication date Jul 3, 2003
- Roberto Kaje
- G07 - CHECKING-DEVICES