Charles Charlson

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Rogers, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Fitting to connect a polyvinyl chloride pipe and a polyethylene pipe
- Patent number 7,980,602
- Issue date Jul 19, 2011
- Poly-Cam, Inc.
- Charles Charlson
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Dual Containment Pipe End Cap
- Publication number 20130092275
- Publication date Apr 18, 2013
- Charles Charlson
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Fitting to Connect a Polyvinyl Chloride Pipe and a Polyethylene Pipe
- Publication number 20100066081
- Publication date Mar 18, 2010
- POLY-CAM, INC.
- Charles Charlson
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...