Membership
Tour
Register
Log in
Donald M. McPherson
Follow
Person
Oakland, CA, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Multi-band color vision filters and method by LP-optimization
Patent number
11,762,136
Issue date
Sep 19, 2023
ENCHROMA, INC.
Andrew W. Schmeder
G01 - MEASURING TESTING
Information
Patent Grant
Optical filters affecting color vision in a desired manner and desi...
Patent number
11,454,827
Issue date
Sep 27, 2022
EnChroma Inc.
Andrew W. Schmeder
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Multi-band color vision filters and method by LP-optimization
Patent number
10,852,461
Issue date
Dec 1, 2020
ENCHROMA, INC.
Andrew W. Schmeder
G01 - MEASURING TESTING
Information
Patent Grant
Optical filters affecting color vision in a desired manner and desi...
Patent number
10,606,100
Issue date
Mar 31, 2020
ENCHROMA, INC.
Andrew W. Schmeder
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Optical filters affecting color vision in a desired manner and desi...
Patent number
10,606,101
Issue date
Mar 31, 2020
ENCHROMA, INC.
Andrew W. Schmeder
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Optical filters and methods for making the same
Patent number
10,534,117
Issue date
Jan 14, 2020
ENCHROMA, INC.
Donald McPherson
G02 - OPTICS
Information
Patent Grant
Multi-band color vision filters and method by LP-optimization
Patent number
10,338,286
Issue date
Jul 2, 2019
ENCHROMA, INC.
Andrew W. Schmeder
G02 - OPTICS
Information
Patent Grant
Cementitious composition incorporating high levels of glass aggrega...
Patent number
8,480,802
Issue date
Jul 9, 2013
Polycor Vetrazzo, Inc.
Donald Martin McPherson
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Method of producing a cementitious sheet-form material having a hig...
Patent number
8,236,230
Issue date
Aug 7, 2012
Polycor Vetrazzo, Inc.
Donald Martin McPherson
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Cementitious composition incorporating high levels of glass aggrega...
Patent number
8,137,454
Issue date
Mar 20, 2012
Polycor Vetrazzo, Inc.
Donald Martin McPherson
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Cementitious composition incorporating high levels of glass aggrega...
Patent number
7,771,529
Issue date
Aug 10, 2010
Polycor Vetrazzo, Inc.
Donald Martin McPherson
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Optical glass
Patent number
5,747,397
Issue date
May 5, 1998
Bay Glass Research
Donald M. McPherson
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Optical delivery device with high numerical aperture curved waveguide
Patent number
5,495,541
Issue date
Feb 27, 1996
Steven C. Murray
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Germanate glass for mid-infrared medical optical fiber
Patent number
5,491,767
Issue date
Feb 13, 1996
Donald M. McPherson
G02 - OPTICS
Information
Patent Grant
Laser absorbing filter glass
Patent number
5,413,971
Issue date
May 9, 1995
Donald M. McPherson
C03 - GLASS MINERAL OR SLAG WOOL
Patents Applications
last 30 patents
Information
Patent Application
MULTI-BAND COLOR VISION FILTERS AND METHOD BY LP-OPTIMIZATION
Publication number
20240004112
Publication date
Jan 4, 2024
EnChroma, Inc.
Andrew W. SCHMEDER
G02 - OPTICS
Information
Patent Application
OPTICAL FILTERS AFFECTING COLOR VISION IN A DESIRED MANNER AND DESI...
Publication number
20230016452
Publication date
Jan 19, 2023
EnChroma, Inc.
Andrew W. SCHMEDER
G02 - OPTICS
Information
Patent Application
MULTI-BAND COLOR VISION FILTERS AND METHOD BY LP-OPTIMIZATION
Publication number
20210141132
Publication date
May 13, 2021
EnChroma, Inc.
Andrew W. SCHMEDER
G01 - MEASURING TESTING
Information
Patent Application
OPTICAL FILTERS AFFECTING COLOR VISION IN A DESIRED MANNER AND DESI...
Publication number
20200292849
Publication date
Sep 17, 2020
EnChroma, Inc.
Andrew W. SCHMEDER
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
OPTICAL FILTERS AND METHODS FOR MAKING THE SAME
Publication number
20180203171
Publication date
Jul 19, 2018
EnChroma, Inc.
Donald MCPHERSON
G02 - OPTICS
Information
Patent Application
OPTICAL FILTERS AFFECTING COLOR VISION IN A DESIRED MANNER AND DESI...
Publication number
20180196284
Publication date
Jul 12, 2018
EnChroma, Inc.
ANDREW W. SCHMEDER
G02 - OPTICS
Information
Patent Application
OPTICAL FILTERS AFFECTING COLOR VISION IN A DESIRED MANNER AND DESI...
Publication number
20180164608
Publication date
Jun 14, 2018
EnChroma, Inc.
ANDREW W. SCHMEDER
G02 - OPTICS
Information
Patent Application
MULTI-BAND COLOR VISION FILTERS AND METHOD BY LP-OPTIMIZATION
Publication number
20180095202
Publication date
Apr 5, 2018
EnChroma, Inc.
Andrew W. SCHMEDER
G02 - OPTICS
Information
Patent Application
MULTI-BAND COLOR VISION FILTERS AND METHOD BY LP-OPTIMIZATION
Publication number
20140233105
Publication date
Aug 21, 2014
Andrew W. Schmeder
G02 - OPTICS
Information
Patent Application
CEMENTITIOUS COMPOSITION INCORPORATING HIGH LEVELS OF GLASS AGGREGA...
Publication number
20120234208
Publication date
Sep 20, 2012
POLYCOR VETRAZZO, INC.
Donald Martin McPherson
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
CEMENTITIOUS COMPOSITION INCORPORATING HIGH LEVELS OF GLASS AGGREGA...
Publication number
20110290154
Publication date
Dec 1, 2011
POLYCOR VETRAZZO, INC.
Donald Martin McPherson
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
Method of producing a cementitious sheet-form material having a hig...
Publication number
20110037200
Publication date
Feb 17, 2011
POLYCOR VETRAZZO, INC.
Donald Martin McPherson
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES