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Rio Vista, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Tomato harvester
Patent number
4,584,826
Issue date
Apr 29, 1986
Blackwelders
Thomas S. Bettencourt
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Height control for agricultural machine
Patent number
4,573,124
Issue date
Feb 25, 1986
Blackwelders
James E. Seiferling
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Tomato harvester with improved separation of tomatoes from other pi...
Patent number
4,570,426
Issue date
Feb 18, 1986
Blackwelders
Darryl G. Bettencourt
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Piezoelectric ultrasonic apparatus and method for determining the d...
Patent number
4,567,766
Issue date
Feb 4, 1986
Blackwelders
James E. Seiferling
G01 - MEASURING TESTING
Information
Patent Grant
Apparatus for determining the distance from a predetermined point t...
Patent number
4,569,037
Issue date
Feb 4, 1986
Blackwelders
James E. Seiferling
G01 - MEASURING TESTING
Information
Patent Grant
Height control for agricultural machine
Patent number
4,414,792
Issue date
Nov 15, 1983
Blackwelders
Darryl G. Bettencourt
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Front dump refuse compactor
Patent number
D263174
Issue date
Feb 23, 1982
Blackwelders
Darryl G. Bettencourt
D34 - Material or article handling equipment
Information
Patent Grant
Refuse bin lid unit
Patent number
4,290,352
Issue date
Sep 22, 1981
Blackwelders
Lewis W. Schmidt
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Load retraction preventing finger array
Patent number
4,271,756
Issue date
Jun 9, 1981
Blackwelders
Darryl G. Bettencourt
B30 - PRESSES
Information
Patent Grant
Rear dump refuse compactor
Patent number
D258737
Issue date
Mar 31, 1981
Blackwelders
Lewis W. Schmidt
D15 - Machines not elsewhere specified
Information
Patent Grant
Front dump refuse compactor
Patent number
D258442
Issue date
Mar 3, 1981
Blackwelders
Lewis W. Schmidt
D15 - Machines not elsewhere specified
Information
Patent Grant
Refuse compactor with a counterbalanced rear door
Patent number
4,165,897
Issue date
Aug 28, 1979
Blackwelders
Lewis W. Schmidt
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Lid unit for a refuse compactor
Patent number
4,152,979
Issue date
May 8, 1979
Blackwelders
Lewis W. Schmidt
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Refuse bin with power-actuated compactor blade
Patent number
3,961,573
Issue date
Jun 8, 1976
Blackwelders
Lewis W. Schmidt
B30 - PRESSES
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Trademark
last 30 trademarks
Information
Trademark
73479884 - B
Serial number
73479884
Registration number
1319283
Filing date
May 11, 1984
Blackwelders
12 - Vehicles
Information
Trademark
73380231 - B
Serial number
73380231
Registration number
1273309
Filing date
Aug 16, 1982
Blackwelders
6 - Common metals and their alloys
Information
Trademark
73106458 - TRASHTRAIN
Serial number
73106458
Registration number
1079234
Filing date
Nov 12, 1976
BLACKWELDERS
7 - Machines and machine tools
Information
Trademark
73106384 - TRASH TROMPER
Serial number
73106384
Registration number
1074444
Filing date
Nov 12, 1976
BLACKWELDERS
7 - Machines and machine tools