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BIO GRO SYSTEMS, INC.
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ALEXANDRIA, VA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method for alkaline treatment of sewage sludge for beneficial use
Patent number
5,679,262
Issue date
Oct 21, 1997
Bio Gro Systems, Inc.
Mark Girovich
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Grant
Method for the treatment of sewage sludge and the like
Patent number
5,435,923
Issue date
Jul 25, 1995
Bio Gro Systems, Inc.
Mark Girovich
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Grant
Method and apparatus for the treatment of sewage sludge and the like
Patent number
5,259,977
Issue date
Nov 9, 1993
Bio Gro Systems, Inc.
Mark Girovich
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Grant
Process of drying and pelletizing sludge in indirect dryer having r...
Patent number
5,215,670
Issue date
Jun 1, 1993
Bio Gro Systems, Inc.
Mark J. Girovich
F26 - DRYING
Information
Patent Grant
Indirect heat drying and simultaneous pelletization of sludge
Patent number
5,069,801
Issue date
Dec 3, 1991
Bio Gro Systems, Incorporated
Mark J. Girovich
F26 - DRYING
Information
Patent Grant
Apparatus and process for forming uniform, pelletizable sludge product
Patent number
4,872,998
Issue date
Oct 10, 1989
Bio Gro Systems, Inc.
Jerome Dausman
F26 - DRYING
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
74381821 - BIO GRO SYSTEMS
Serial number
74381821
Registration number
1815282
Filing date
Apr 22, 1993
BIO GRO SYSTEMS, INC.
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
74381822 - BIO GRO
Serial number
74381822
Registration number
1814271
Filing date
Apr 22, 1993
BIO GRO SYSTEMS, INC.
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
74239861 - BIO LIME
Serial number
74239861
Registration number
1721256
Filing date
Jan 24, 1992
BIO GRO SYSTEMS, INC.
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
74239860 - BIO SOIL
Serial number
74239860
Registration number
1723109
Filing date
Jan 24, 1992
BIO GRO SYSTEMS, INC.
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
74138610 - BIO LIME
Serial number
74138610
Filing date
Feb 12, 1991
BIO GRO SYSTEMS, INC.
40 - Treatment of materials
Information
Trademark
74068376 - PELLETECH
Serial number
74068376
Registration number
1717492
Filing date
Jun 12, 1990
BIO GRO SYSTEMS, INC.
7 - Machines and machine tools
Information
Trademark
74064295 - BIO SOIL
Serial number
74064295
Filing date
May 31, 1990
BIO GRO SYSTEMS, INC.
37 - Building construction
Information
Trademark
74064297 - BIO FUEL
Serial number
74064297
Filing date
May 31, 1990
BIO GRO SYSTEMS, INC.
37 - Building construction
Information
Trademark
74061887 - BIO FIX
Serial number
74061887
Registration number
1710537
Filing date
May 23, 1990
BIO GRO SYSTEMS, INC.
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
74037770 - SLUDGE HAPPENS
Serial number
74037770
Registration number
1692066
Filing date
Mar 13, 1990
BIO GRO SYSTEMS, INC.
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
73833787 - BGS2
Serial number
73833787
Registration number
1617180
Filing date
Oct 25, 1989
BIO GRO SYSTEMS, INC.
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
73795831
Serial number
73795831
Registration number
1577047
Filing date
Apr 24, 1989
BIO GRO SYSTEMS, INC.
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
73795830 - BIO GRO SYSTEMS
Serial number
73795830
Registration number
1577046
Filing date
Apr 24, 1989
BIO GRO SYSTEMS, INC.
42 - Scientific and technological services and research and design relating thereto