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Patent Assignment Abstract of Title
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Total Assignments: 1
Patent #:
Issue Dt:
04/28/1992
Application #:
07684933
Filing Dt:
04/26/1991
Inventors:
AKIRA OKAMOTO, SHOICHI SAKANISHI, NORIO MITANI, YOSHIHISA YAMAMOTO
Title:
APPARATUS FOR DETECTING POSITION OF UNDERGROUND EXCAVATOR
Assignment: 1
Reel/Frame:
005825/0661Recorded: 04/26/1991Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
04/10/1991
Exec Dt:
04/10/1991
Exec Dt:
04/10/1991
Exec Dt:
04/10/1991
Assignee:
3-6, AKASAKA 2-CHOME, MINATO-KU
TOKYO 107, JAPAN
Correspondent:
ARMSTRONG, NIKAIDO, MARMELSTEIN,
KUBOVCIK & MURRAY
STE. 1000, 1725 K STREET, NW
WASHINGTON, DC 20006

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