Daniel J. Ehntholt

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Hudson, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Systems and methods for collection and sampling of chemical species
- Patent number 10,024,767
- Issue date Jul 17, 2018
- TIAX LLC
- John F. Martin
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Machine-readable optical disc with reading-inhibit agent
- Patent number 6,434,109
- Issue date Aug 13, 2002
- SpectraDisc Corporation
- Philip E. Rollhaus
- G11 - INFORMATION STORAGE
Information Patent Grant
Machine-readable optical disc with reading-inhibit agent
- Patent number 6,343,063
- Issue date Jan 29, 2002
- SpectraDisc Corp.
- Philip E. Rollhaus
- G11 - INFORMATION STORAGE
Information Patent Grant
Machine-readable optical disc with reading-inhibit agent
- Patent number 6,011,772
- Issue date Jan 4, 2000
- SpectraDisc Corporation
- Philip E. Rollhaus
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
SYSTEMS AND METHODS FOR COLLECTION AND SAMPLING OF CHEMICAL SPECIES
- Publication number 20160195456
- Publication date Jul 7, 2016
- TIAX LLC
- John F. Martin
- G01 - MEASURING TESTING
Information Patent Application
Machine-readable optical disc with reading-inhibit agent
- Publication number 20010046204
- Publication date Nov 29, 2001
- SpectraDisc Corporation
- Philip E. Rollhaus
- G11 - INFORMATION STORAGE