John William Keffler

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Evergreen, CO, US

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Patents Grantslast 30 patents

Information Patent Grant
Laterally adjustable hooks
- Patent number 11,143,222
- Issue date Oct 12, 2021
- Phantom Snow Industries LLC
- John William Keffler
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Laterally Adjustable Hooks
- Publication number 20180180078
- Publication date Jun 28, 2018
- John William Keffler
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...