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Patent Assignment Abstract of Title
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Total Assignments: 4
Patent #:
Issue Dt:
05/15/2001
Application #:
09207779
Filing Dt:
12/09/1998
Inventors:
JULIE C. SLAUGHTER, MICHAEL L. FRAIM
Title:
ULTRASONIC DOWNHOLE RADIATOR AND METHOD FOR USING SAME
Assignment: 1
Reel/Frame:
010257/0510Recorded: 03/16/1999Pages: 4
Conveyance:
INVALID ASSIGNMENT, SEE RECORDING AT REEL 010711, FRAME 0934. (RE-RECORD TO DELETE ONE PAGE FROM RECORDED DOCUMENT).
Assignor:
Exec Dt:
01/28/1999
Assignee:
2500 NORTH LOOP DRIVE
AMES, IOWA 50014
Correspondent:
FLEHR HOHBACH TEST ET AL.
EDWARD N. BACHAND
FOUR EMBARCADERO CENTER
SUITE 3400
SAN FRANCISCO, CA 94111-4187
Assignment: 2
Reel/Frame:
010711/0934Recorded: 03/16/1999Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
01/28/1999
Assignee:
2500 NORTH LOOP DRIVE
AMES, IOWA 50014
Correspondent:
FLEHR HOHBACH TEST ALBRITTON & HERBERT
EDWARD N. BACHAND
SUITE 3400
FOUR EMBARCADERO CENTER
SAN FRANCISCO, CA 94111-4187
Assignment: 3
Reel/Frame:
009841/0826Recorded: 03/16/1999Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
02/25/1999
Assignee:
2500 NORTH LOOP DRIVE
AMES, IOWA 50014
Correspondent:
FLEHR HOHBACH TEST ETAL LLP
EDWARD N. BACHAND
FOUR EMBARCADERO CENTER, SUITE 3400
SAN FRANCISCO, CA 94111-4187
Assignment: 4
Reel/Frame:
010634/0211Recorded: 02/22/2000Pages: 3
Conveyance:
CORRECTION OF ASSIGNMENT, REEL/FRAME 9841/0826, NUMBER OF PAGES: 3
Assignor:
Exec Dt:
02/25/1999
Assignee:
2500 NORTH LOOP DRIVE
AMES, IOWA 50014
Correspondent:
FLEHR HOHBACH TEST ALBRITTON ET AL
EDWARD N. BACHAND
SUITE 3400
FOUR EMBARCADERO CENTER
SAN FRANCISCO, CA 94111-4187

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