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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
02/12/1991
Application #:
07335146
Filing Dt:
04/07/1989
Inventors:
CARL F. BUHRER, W. JOHN CARLSEN
Title:
QUASI-ACHROMATIC OPTICAL ISOLATORS AND CIRCULATORS USING PRISMS WITH TOTAL INTERNAL FRESNEL REFLECTION
Assignment: 1
Reel/Frame:
005061/0855Recorded: 04/07/1989Pages: 1
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
04/07/1989
Exec Dt:
04/07/1989
Assignee:
Correspondent:
JAMES J. CANNON, JR.
GTE SERVICE CORPORATION
40 SYLVAN ROAD
WALTHAM, MA 02254
Assignment: 2
Reel/Frame:
020762/0755Recorded: 04/07/2008Pages: 5
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
06/13/2000
Assignee:
40 SYLVAN ROAD
WALTHAM, MASSACHUSETTS 02451
Correspondent:
EDEN U.I. STRIGHT
1515 COURTHOUSE ROAD, SUITE 500
ARLINGTON, VA 22201-2909

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