Robert A. Hooper

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Wayzata, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Pneumatic pipe plug
- Patent number 6,116,286
- Issue date Sep 12, 2000
- Robert A. Hooper
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Test plug closure
- Publication number 20040129327
- Publication date Jul 8, 2004
- Robert A. Hooper
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...