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DUNCAN B. CAMPBELL
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CENTRAL POINT, OR, US
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Patents Grants
last 30 patents
Information
Patent Grant
Multi-band spectral sorting system for light-weight articles
Patent number
6,646,218
Issue date
Nov 11, 2003
Key Technology, Inc.
Duncan Campbell
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information
Patent Grant
Agricultural article inspection apparatus and method employing spec...
Patent number
6,410,872
Issue date
Jun 25, 2002
Key Technology, Inc.
Duncan B. Campbell
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Grant
Detecting defective peel-bearing potatoes in a random mixture of de...
Patent number
6,252,189
Issue date
Jun 26, 2001
Key Technology, Inc.
Duncan Campbell
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Grant
Peach pit detection apparatus and method
Patent number
6,225,620
Issue date
May 1, 2001
Key Technology, Inc.
Duncan B. Campbell
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Grant
System and method of inspecting peel-bearing potato pieces for defects
Patent number
5,884,775
Issue date
Mar 23, 1999
SRC Vision, Inc.
Duncan Campbell
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Grant
Method and apparatus for sorting fruit in the production of prunes
Patent number
5,808,305
Issue date
Sep 15, 1998
SRC Vision, Inc.
Cliff Leidecker
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Grant
Method of separating fruit or vegetable products
Patent number
5,791,497
Issue date
Aug 11, 1998
SRC Vision, Inc.
Duncan Campbell
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Grant
Apparatus and method for detecting and sorting plastic articles hav...
Patent number
5,675,416
Issue date
Oct 7, 1997
SRC Vision, Inc.
Duncan B. Campbell
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Grant
Methods of separating selected items from a mixture including raisi...
Patent number
5,464,981
Issue date
Nov 7, 1995
Simco/Ramic Corporation
Henry P. Squyres
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Patents Applications
last 30 patents
Information
Patent Application
AGRICULTURAL ARTICLE INSPECTION APPARATUS AND METHOD EMPLOYING SPEC...
Publication number
20020008055
Publication date
Jan 24, 2002
DUNCAN B. CAMPBELL
G01 - MEASURING TESTING