John Rolland Piper

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Clifton Springs, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Hybrid mechanical and electrical transformer monitor
- Patent number 9,046,423
- Issue date Jun 2, 2015
- Qualitrol Company, LLC
- John Rolland Piper
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
RAPID PRESSURE RISE DETECTION AND MANAGEMENT SYSTEM
- Publication number 20170370794
- Publication date Dec 28, 2017
- Qualitrol Company LLC
- John R. Piper
- G01 - MEASURING TESTING
Information Patent Application
HYBRID MECHANICAL AND ELECTRICAL TRANSFORMER MONITOR
- Publication number 20140036958
- Publication date Feb 6, 2014
- QUALITROL COMPANY, LLC
- John Rolland Piper
- G01 - MEASURING TESTING