Lutrell Denson

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Philadelphia, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Low cost electronic key finder with light impinging upon photodetec...
- Patent number 9,598,879
- Issue date Mar 21, 2017
- Lutrell Denson
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
Low Cost Electronic Key Finder
- Publication number 20160326772
- Publication date Nov 10, 2016
- Lutrell Denson
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
System for automated package mailing
- Publication number 20070050316
- Publication date Mar 1, 2007
- Lutrell Denson
- G07 - CHECKING-DEVICES
Information Patent Application
Device and process for identification of keys
- Publication number 20050088282
- Publication date Apr 28, 2005
- Lutrell Denson
- G06 - COMPUTING CALCULATING COUNTING