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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
Issue Dt:
08/28/2001
Application #:
09192211
Filing Dt:
11/16/1998
Inventor:
TUAN Q. CAO
Title:
METHOD AND APPARATUS FOR MONITORING OXYGEN CONCENTRATION
Assignment: 1
Reel/Frame:
009602/0038Recorded: 11/16/1998Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
11/10/1998
Assignee:
2734 HICKORY GROVE ROAD
DAVENPORT, IOWA 52802
Correspondent:
LOWE HAUPTMAN GOPSTEIN GILMAN & BERNER
ISRAEL GOPSTEIN
2034 EISENHOWER AVENUE, SUITE 200
ALEXANDRIA, VIRGINIA 22314
Assignment: 2
Reel/Frame:
016427/0532Recorded: 04/04/2005Pages: 23
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
08/18/2003
Assignee:
2734 HICKORY GROVE ROAD
DAVENPORT, IOWA 52804
Correspondent:
MAURI AVEN SANKUS
JAECKLE FLEISCHMANN & MUGEL, LLP
190 LINDEN OAKS
ROCHESTER, NY 14625
Assignment: 3
Reel/Frame:
050139/0423Recorded: 08/22/2019Pages: 7
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
04/02/2019
Assignee:
2734 HICKORY GROVE ROAD
DAVENPORT, IOWA 52804-1203
Correspondent:
WOODS OVIATT GILMAN LLP
1900 BAUSCH & LOMB PLACE
ROCHESTER, NY 14604

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