Marion Kelly Walker

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Rogers, AR, US

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Patents Grantslast 30 patents

Information Patent Grant
Emergency response system
- Patent number 11,671,431
- Issue date Jun 6, 2023
- Marion Kelly Walker
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Pole mounting system for lockable key housing
- Patent number 11,371,652
- Issue date Jun 28, 2022
- Marion Kelly Walker
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Object location device and system
- Patent number 11,195,389
- Issue date Dec 7, 2021
- Marion Kelly Walker
- G08 - SIGNALLING
Information Patent Grant
Pole mounting system for lockable key housing
- Patent number D902021
- Issue date Nov 17, 2020
- Marion Kelly Walker
- D08 - Tools and hardware
Information Patent Grant
Object location device and system
- Patent number 10,169,962
- Issue date Jan 1, 2019
- Marion Kelly Walker
- E03 - WATER SUPPLY SEWERAGE