Ray V. Rigles

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Bloomington, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Methods of modulating data frequency
- Patent number 9,466,329
- Issue date Oct 11, 2016
- Seagate Technology LLC
- Richard P. Michel
- G11 - INFORMATION STORAGE
Information Patent Grant
Transfer curve tester for testing magnetic recording heads
- Patent number 6,667,614
- Issue date Dec 23, 2003
- Seagate Technology LLC
- Terrence A. McMahon
- G11 - INFORMATION STORAGE
Information Patent Grant
Balanced bi-directional current source
- Patent number 6,611,167
- Issue date Aug 26, 2003
- Seagate Technology LLC
- Terrence A. McMahon
- G11 - INFORMATION STORAGE
Information Patent Grant
Electrical lap guide data acquisition unit and measurement scheme
- Patent number 5,991,698
- Issue date Nov 23, 1999
- Seagate Technology, Inc.
- Shanlin Hao
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Voltage measurement circuit with AC-coupled diferential amplifier
- Publication number 20030016027
- Publication date Jan 23, 2003
- Terrence A. McMahon
- B82 - NANO-TECHNOLOGY
Information Patent Application
Balanced bi-directional current source
- Publication number 20030016077
- Publication date Jan 23, 2003
- Terrence A. McMahon
- B82 - NANO-TECHNOLOGY