Alan J. Henderson

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Marquette, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Valve access conduit assembly and method of installing the assembly
- Patent number 9,856,632
- Issue date Jan 2, 2018
- Argonics, Inc.
- Joseph Roell
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Valve access conduit assembly and method of installing the assembly
- Patent number 9,851,039
- Issue date Dec 26, 2017
- Argonics, Inc.
- Joseph Roell
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Valve access conduit assembly and method of installing the assembly
- Patent number 9,726,316
- Issue date Aug 8, 2017
- Argonics, Inc.
- Joseph Roell
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Valve access conduit assembly and method of installing the assembly
- Patent number 9,651,187
- Issue date May 16, 2017
- Argonics, Inc.
- Joseph Roell
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
VALVE ACCESS CONDUIT ASSEMBLY AND METHOD OF INSTALLING THE ASSEMBLY
- Publication number 20160258140
- Publication date Sep 8, 2016
- Argonics, Inc.
- Joseph Roell
- E03 - WATER SUPPLY SEWERAGE