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John M. Antos
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Ann Arbor, MI, US
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Patents Grants
last 30 patents
Information
Patent Grant
Refrigerator shelving system
Patent number
7,753,461
Issue date
Jul 13, 2010
Thetford Corporation
David W. Leistner
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Refrigeration storage bin including flip-top cover
Patent number
7,350,886
Issue date
Apr 1, 2008
Thetford Corporation
John M. Antos
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Latching arrangement for a refrigerator door
Patent number
7,097,213
Issue date
Aug 29, 2006
Thetford Corporation
John M Antos
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Refrigerator door assembly and method of making same
Patent number
6,827,410
Issue date
Dec 7, 2004
Thetford Corporation
John M. Antos
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Sanitary toilet with integral water supply and manual flush assembly
Patent number
6,158,061
Issue date
Dec 12, 2000
Thetford Corporation
David B. Cameron
E03 - WATER SUPPLY SEWERAGE
Information
Patent Grant
RV refrigerator with swinging closure door capable of being opened...
Patent number
6,000,771
Issue date
Dec 14, 1999
Thetford Corporation
John W. Wissinger
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Recreational vehicle toilet with flush nozzle deflector shield
Patent number
5,875,499
Issue date
Mar 2, 1999
Thetford Corporation
John A. Hoffman
E03 - WATER SUPPLY SEWERAGE
Information
Patent Grant
Flush service door for RV
Patent number
5,746,466
Issue date
May 5, 1998
Thetford Corporation
John M. Antos
B60 - VEHICLES IN GENERAL
Information
Patent Grant
RV door unit
Patent number
D390525
Issue date
Feb 10, 1998
Thetford Corporation
John M. Antos
D12 - Transportation
Information
Patent Grant
Toilet with improved flush nozzle
Patent number
5,715,544
Issue date
Feb 10, 1998
Thetford Corporation
Carrie E. Huffman
E03 - WATER SUPPLY SEWERAGE
Information
Patent Grant
Portable toilet with battery operated flush assembly
Patent number
5,557,810
Issue date
Sep 24, 1996
Thetford Corporation
John M. Antos
E03 - WATER SUPPLY SEWERAGE
Information
Patent Grant
Portable waste holding tank with improved inlet valve assembly
Patent number
5,318,275
Issue date
Jun 7, 1994
Thetford Corporation
Charles L. Sargent
G05 - CONTROLLING REGULATING
Information
Patent Grant
Pneumatic sealing device for waste disposal systems
Patent number
5,247,974
Issue date
Sep 28, 1993
Thetford Corporation
Charles L. Sargent
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Low water toilet with pulsed flush
Patent number
5,073,994
Issue date
Dec 24, 1991
Thetford Corporation
Charles L. Sargent
E03 - WATER SUPPLY SEWERAGE
Information
Patent Grant
Recreational vehicle toilet with foot pedal flush
Patent number
5,060,320
Issue date
Oct 29, 1991
Thetford Corporation
Charles L. Sargent
E03 - WATER SUPPLY SEWERAGE
Information
Patent Grant
Self-contained RV sanitary systems
Patent number
5,056,166
Issue date
Oct 15, 1991
Thetford Corporation
Charles L. Sargent
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Toilet with pulsed flow of flush water
Patent number
5,010,602
Issue date
Apr 30, 1991
Thetford Corporation
Charles L. Sargent
E03 - WATER SUPPLY SEWERAGE
Information
Patent Grant
Self-contained RV sanitary system
Patent number
4,944,048
Issue date
Jul 31, 1990
Thetford Corporation
Charles L. Sargent
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Portable toilet with battery operated flush assembly
Patent number
4,926,508
Issue date
May 22, 1990
Thetford Corporation
Charles L. Sargent
E03 - WATER SUPPLY SEWERAGE
Information
Patent Grant
Seal for self contained sanitary systems
Patent number
4,908,885
Issue date
Mar 20, 1990
Thetford Corporation
John M. Antos
B60 - VEHICLES IN GENERAL
Information
Patent Grant
RV door assembly
Patent number
4,906,033
Issue date
Mar 6, 1990
Thetford Corporation
Charles L. Sargent
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Vent structure for flush water holding tank of vehicle toilets
Patent number
4,805,660
Issue date
Feb 21, 1989
Thetford Corporation
John M. Antos
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Telescoping drain assembly for recreational vehicles
Patent number
4,779,650
Issue date
Oct 25, 1988
Thetford Corporation
Charles L. Sargent
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Self-contained RV sanitary systems
Patent number
4,776,631
Issue date
Oct 11, 1988
Thetford Corporation
Charles L. Sargent
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Portable toilet holding tank spout
Patent number
4,769,860
Issue date
Sep 13, 1988
Thetford Corporation
Charles L. Sargent
E03 - WATER SUPPLY SEWERAGE
Information
Patent Grant
Portable toilet with valve actuating handle that automatically lock...
Patent number
4,712,255
Issue date
Dec 15, 1987
Thetford Corporation
John M. Antos
E03 - WATER SUPPLY SEWERAGE
Information
Patent Grant
Tank fill assist
Patent number
4,703,785
Issue date
Nov 3, 1987
Thetford Corporation
John M. Antos
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Portable toilet holding tank spout
Patent number
4,641,383
Issue date
Feb 10, 1987
Thetford Corporation
Charles L. Sargent
E03 - WATER SUPPLY SEWERAGE
Information
Patent Grant
Portable toilet pourspout
Patent number
4,570,273
Issue date
Feb 18, 1986
Thetford Corporation
John M. Antos
E03 - WATER SUPPLY SEWERAGE
Information
Patent Grant
Magnetically actuated level indicator
Patent number
4,547,916
Issue date
Oct 22, 1985
Thetford Corporation
Arthur W. Henke
E03 - WATER SUPPLY SEWERAGE
Patents Applications
last 30 patents
Information
Patent Application
Vent assembly for a vehicle refrigerator
Publication number
20050136822
Publication date
Jun 23, 2005
John M Antos
B60 - VEHICLES IN GENERAL
Information
Patent Application
Refrigerator shelving system
Publication number
20050082956
Publication date
Apr 21, 2005
David W. Leistner
B60 - VEHICLES IN GENERAL
Information
Patent Application
Refrigeration storage bin including flip-top cover
Publication number
20050073226
Publication date
Apr 7, 2005
John M Antos
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Latching arrangement for a refrigerator door
Publication number
20040189015
Publication date
Sep 30, 2004
John M Antos
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Refrigerator door assembly and method of making same
Publication number
20030038139
Publication date
Feb 27, 2003
John M. Antos
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...