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Robert J. O'Hara
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Pinehurst, NC, US
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Patents Grants
last 30 patents
Information
Patent Grant
Multi-function, battery-powered, rider cleaning machine
Patent number
6,357,070
Issue date
Mar 19, 2002
Windsor Industries, Inc.
Daniel C. Venard
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Squeegee adjustment method and apparatus
Patent number
6,073,304
Issue date
Jun 13, 2000
Windsor Industries, Inc.
Christopher M. Knowlton
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Combination of main scrubbing machine and attachment scrubbing machine
Patent number
5,993,563
Issue date
Nov 30, 1999
Windsor Industries, Inc.
Timothy A. Strickland
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Floor cleaning apparatus with two brooms
Patent number
5,802,665
Issue date
Sep 8, 1998
Widsor Industries, Inc.
Christopher M. Knowlton
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Articulated floor scrubber
Patent number
5,742,975
Issue date
Apr 28, 1998
Windsor Industries, Inc.
Christopher M. Knowlton
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Articulated floor cleaner
Patent number
D391697
Issue date
Mar 3, 1998
Windsor Industries, Inc.
Christopher M. Knowlton
D32 - Washing, cleaning, or drying machine
Information
Patent Grant
Floor scrubber
Patent number
D382383
Issue date
Aug 12, 1997
Windsor Industries, Inc.
Christopher M. Knowlton
D32 - Washing, cleaning, or drying machine
Information
Patent Grant
Floor cleaning apparatus with flap having wear indicator
Patent number
5,630,246
Issue date
May 20, 1997
Windsor Industries, Inc.
Christopher M. Knowlton
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Floor cleaning apparatus with squeegee mounting system
Patent number
5,628,086
Issue date
May 13, 1997
Windsor Industries, Inc.
Christopher M. Knowlton
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Floor cleaning apparatus with slidable flap
Patent number
5,611,108
Issue date
Mar 18, 1997
Windsor Industries, Inc.
Christopher M. Knowlton
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Floor cleaning apparatus with pre-filter
Patent number
5,608,947
Issue date
Mar 11, 1997
Windsor Industries, Inc.
Christopher M. Knowlton
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Floor sweeper
Patent number
D376227
Issue date
Dec 3, 1996
Windsor Industries, Inc.
Christopher M. Knowlton
D32 - Washing, cleaning, or drying machine
Information
Patent Grant
Floor cleaning apparatus
Patent number
5,555,596
Issue date
Sep 17, 1996
Windsor Industries, Inc.
Christopher M. Knowlton
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Floor cleaning apparatus
Patent number
5,485,653
Issue date
Jan 23, 1996
Windsor Industries, Inc.
Christopher M. Knowlton
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Steering mechanism for a cleaning vehicle
Patent number
5,467,500
Issue date
Nov 21, 1995
AAR Corp.
Robert J. O'Hara
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Apparatus for monitoring cleaning element wear
Patent number
5,455,979
Issue date
Oct 10, 1995
Windsor Industries, Inc.
Frederick M. Bores
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Vehicle engine mounting system
Patent number
5,346,034
Issue date
Sep 13, 1994
AAR Corp.
Christopher M. Knowlton
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Floor scrubber
Patent number
5,265,300
Issue date
Nov 30, 1993
AAR Corp.
Robert J. O'Hara
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Sweeper vehicle
Patent number
D329311
Issue date
Sep 8, 1992
AAR Corporation
Christopher M. Knowlton
D32 - Washing, cleaning, or drying machine
Information
Patent Grant
Vehicle engine mounting system
Patent number
5,137,108
Issue date
Aug 11, 1992
AAR Corporation
Christopher M. Knowlton
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Machine for floor sweeping and scrubbing
Patent number
D291932
Issue date
Sep 15, 1987
AAR Brooks & Perkins Corp.
Christopher M. Knowlton
D32 - Washing, cleaning, or drying machine
Patents Applications
last 30 patents
Information
Patent Application
Articulated floor scrubber
Publication number
20070157417
Publication date
Jul 12, 2007
Robert J. O'Hara
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Application
System for Disinfecting Shopping Carts
Publication number
20050121057
Publication date
Jun 9, 2005
REDFIELD ENGINEERING COMPANY, LLC
Christopher M. Knowlton
B08 - CLEANING