Patent Assignment Details
NOTE:Results display only for issued patents and published applications.
For pending or abandoned applications please consult USPTO staff.
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| Reel/Frame: | 009005/0363 | |
| Pages: | 6 |
| | Recorded: | 02/23/1998 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Total properties:
4
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Patent #:
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Issue Dt:
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01/25/1983
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Application #:
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06232422
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Filing Dt:
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02/09/1981
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Title:
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AIR FILTER RESTRICTION INDICATING DEVICE
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Patent #:
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Issue Dt:
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05/01/1984
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Application #:
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06273699
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Filing Dt:
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06/16/1982
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Title:
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AIR FILTER RESTRICTION INDICATING DEVICE
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Patent #:
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Issue Dt:
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12/15/1998
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Application #:
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08393878
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Filing Dt:
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02/24/1995
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Title:
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AIR FILTER RESTRICTION INDICATING DEVICE
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Patent #:
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Issue Dt:
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06/30/1998
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Application #:
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08655396
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Filing Dt:
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05/30/1996
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Title:
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GAUGE FOR MONITORING AIR FILTERS
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Assignee
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| 2940 AIRPORT BOULEVARD |
| WATERLOO, IOWA 50704 |
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Correspondence name and address
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GREGORY F. COTTERELL
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3400 PLAZA VII BUILDING
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45 SOUTH SEVENTH STREET
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MINNEAPOLIS, MN 55402
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