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John Albert Plutt JR.
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Chicago, IL, US
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Patents Grants
last 30 patents
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Patent Grant
Methods and systems for achieving vital ultra-wideband (UWB) based...
Patent number
11,952,028
Issue date
Apr 9, 2024
METROM RAIL, LLC
Richard Carlson
B61 - RAILWAYS
Information
Patent Grant
Worker protection system
Patent number
10,926,783
Issue date
Feb 23, 2021
Richard Carlson
B61 - RAILWAYS
Information
Patent Grant
Worker protection system
Patent number
10,737,709
Issue date
Aug 11, 2020
METROM RAIL, LLC
Richard Carlson
B61 - RAILWAYS
Information
Patent Grant
Worker protection system
Patent number
10,336,353
Issue date
Jul 2, 2019
METROM RAIL, LLC
Richard Carlson
B61 - RAILWAYS
Information
Patent Grant
Worker protection system
Patent number
10,179,595
Issue date
Jan 15, 2019
METROM RAIL, LLC
Richard Carlson
B61 - RAILWAYS
Patents Applications
last 30 patents
Information
Patent Application
METHODS AND SYSTEMS FOR ACHIEVING VITAL ULTRA-WIDEBAND (UWB) BASED...
Publication number
20200317235
Publication date
Oct 8, 2020
Metrom Rail, LLC
Richard Carlson
B61 - RAILWAYS
Information
Patent Application
METHODS AND SYSTEMS FOR ULTRA-WIDEBAND (UWB) BASED PLATFORM INTRUSI...
Publication number
20200174110
Publication date
Jun 4, 2020
Metrom Rail, LLC
Richard Carlson
G01 - MEASURING TESTING
Information
Patent Application
WORKER PROTECTION SYSTEM
Publication number
20200062286
Publication date
Feb 27, 2020
Metrom Rail, LLC
Richard Carlson
B61 - RAILWAYS
Information
Patent Application
WORKER PROTECTION SYSTEM
Publication number
20190283787
Publication date
Sep 19, 2019
Metrom Rail, LLC
Richard Carlson
B61 - RAILWAYS
Information
Patent Application
WORKER PROTECTION SYSTEM
Publication number
20170282944
Publication date
Oct 5, 2017
Metrom Rail, LLC
Richard Carlson
B61 - RAILWAYS
Information
Patent Application
WORKER PROTECTION SYSTEM
Publication number
20160280240
Publication date
Sep 29, 2016
Metrom Rail, LLC
Richard Carlson
B61 - RAILWAYS