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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
Issue Dt:
05/01/1984
Application #:
06273699
Filing Dt:
06/16/1982
Inventor:
JOSEPH N. NELSON
Title:
AIR FILTER RESTRICTION INDICATING DEVICE
Assignment: 1
Reel/Frame:
009027/0057Recorded: 03/05/1998Pages: 10
Conveyance:
PATENT AND TRADEMARK SECURITY AGREEMENT
Assignor:
Exec Dt:
02/10/1998
Assignee:
801 MARQUETTE AVENUE
MINNEAPOLIS, MINNESOTA 55402
Correspondent:
FAEGRE & BENSON, LLP
DEBRA A. BULMER, LEGAL ASSISTANT
2200 NORWEST CENTER
90 SOUTH SEVENTH STREET
MINNEAPOLIS, MINNESOTA 55402
Assignment: 2
Reel/Frame:
009005/0363Recorded: 02/23/1998Pages: 6
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
02/11/1998
Assignee:
2940 AIRPORT BOULEVARD
WATERLOO, IOWA 50704
Correspondent:
GREGORY F. COTTERELL
3400 PLAZA VII BUILDING
45 SOUTH SEVENTH STREET
MINNEAPOLIS, MN 55402
Assignment: 3
Reel/Frame:
013879/0668Recorded: 03/26/2003Pages: 3
Conveyance:
TERMINATION OF SECURITY INTEREST
Assignor:
Exec Dt:
10/16/2002
Assignee:
2940 AIRPORT BOULEVARD
WATERLOO, IOWA 50704
Correspondent:
DAVID MCKINLEY
3300 PLAZA SEVENTH STREET
MINNEAPOLIS, MN 55402

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