John Freudenthal

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Hillsboro, OR, US

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Patents Grantslast 30 patents

Information Patent Grant
Universal cushion support for photoelastic modulator
- Patent number 11,307,438
- Issue date Apr 19, 2022
- Hinds Instruments, Inc.
- James C. Mansfield
- G02 - OPTICS
Information Patent Grant
Dual transducer photoelastic modulator
- Patent number 11,054,672
- Issue date Jul 6, 2021
- Hinds Instruments, Inc.
- John Freudenthal
- G02 - OPTICS
Information Patent Grant
Polarization properties imaging systems
- Patent number 10,168,274
- Issue date Jan 1, 2019
- Hinds Instrumsnts, Inc.
- John Freudenthal
- G01 - MEASURING TESTING
Information Patent Grant
Unambiguous retardance measurement
- Patent number 9,841,372
- Issue date Dec 12, 2017
- Hinds Instruments, Inc.
- John Freudenthal
- G01 - MEASURING TESTING
Information Patent Grant
Polarization properties imaging systems
- Patent number 9,683,930
- Issue date Jun 20, 2017
- Hinds Instruments, Inc.
- John Freudenthal
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
DUAL TRANSDUCER PHOTOELASTIC MODULATOR
- Publication number 20190171042
- Publication date Jun 6, 2019
- HINDS INSTRUMENTS, INC
- John Freudenthal
- G02 - OPTICS
Information Patent Application
UNIVERSAL CUSHION SUPPORT FOR PHOTOELASTIC MODULATOR
- Publication number 20180180906
- Publication date Jun 28, 2018
- HINDS INSTRUMENTS, INC
- James C. Mansfield
- G02 - OPTICS
Information Patent Application
POLARIZATION PROPERTIES IMAGING SYSTEMS
- Publication number 20170307517
- Publication date Oct 26, 2017
- HINDS INSTRUMENTS, INC
- John Freudenthal
- G01 - MEASURING TESTING
Information Patent Application
POLARIZATION PROPERTIES IMAGING SYSTEMS
- Publication number 20160116397
- Publication date Apr 28, 2016
- HINDS INSTRUMENTS, INC
- John Freudenthal
- G01 - MEASURING TESTING
Information Patent Application
UNAMBIGUOUS RETARDANCE MEASUREMENT
- Publication number 20160091416
- Publication date Mar 31, 2016
- HINDS INSTRUMENTS, INC
- John Freudenthal
- G01 - MEASURING TESTING