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Marshall, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Air supply system and method for a hovercraft
Patent number
10,549,743
Issue date
Feb 4, 2020
Charles E. Hill & Associates, Inc.
Charles E. Hill
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Sanitizing system and method for a septic system
Patent number
10,399,865
Issue date
Sep 3, 2019
Charles E. Hill & Associates, Inc.
Charles E. Hill
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Sanitizing system and method for a septic system
Patent number
9,764,967
Issue date
Sep 19, 2017
Charles E. Hill & Associates, Inc.
Charles E. Hill
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Air supply system and method for a hovercraft
Patent number
9,758,144
Issue date
Sep 12, 2017
Charles E. Hill & Associates, Inc.
Charles E. Hill
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Data file management system and method for browsers
Patent number
8,661,006
Issue date
Feb 25, 2014
Charles E. Hill & Associates, Inc.
Charles E. Hill
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Virtual catalog and product presentation method and apparatus
Patent number
7,908,173
Issue date
Mar 15, 2011
Charles E. Hill & Associates, Inc.
Charles E. Hill
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Virtual catalog and product presentation method and apparatus
Patent number
7,908,176
Issue date
Mar 15, 2011
Charles E. Hill & Associates, Inc.
Charles E. Hill
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Electronic presentation generation system and method
Patent number
7,873,652
Issue date
Jan 18, 2011
Charles E. Hill & Associates, Inc.
Charles E. Hill
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Apparatus for attaching a work tool to a loader
Patent number
7,832,127
Issue date
Nov 16, 2010
Charles E. Hill & Associates, Inc.
Charles E Hill
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
System and method for handling multi-resolution graphics files
Patent number
7,433,881
Issue date
Oct 7, 2008
Charles E. Hill & Associates, Inc.
Charles E. Hill
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Electronic catalog system and method
Patent number
7,370,008
Issue date
May 6, 2008
Charles E. Hill & Associates, Inc.
Charles E. Hill
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Trademark
last 30 trademarks