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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
06/15/1982
Application #:
06214121
Filing Dt:
12/08/1980
Inventors:
GLENN F. HYDE, JOHN E. CROMWELL
Title:
PISTON RING COATINGS
Assignment: 1
Reel/Frame:
004007/0589Recorded: 06/28/1982Pages: 1
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
11/25/1980
Exec Dt:
11/25/1980
Assignee:
KOPPERS BUILDING,
A CORP. OF DE.
PITTSBURGH, PENNSYLVANIA 15219
Correspondent:
THOMAS L. SIVAK
KOPPERS COMPANY, INC. 1450 KOPPERS BLDG.
PITTSBURGH, PA. 15219
Assignment: 2
Reel/Frame:
004661/0318Recorded: 11/06/1986Pages: 5
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
06/30/1986
Assignee:
2860 MCCRACKEN STREET
MUSKEGON, MICHIGAN 49443
Correspondent:
DEBEVOISE & PLIMPTON
875 THIRD AVENUE
NEW YORK, N.Y. 10022

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