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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
11/27/1984
Application #:
06504186
Filing Dt:
06/14/1983
Inventors:
DAVID A. GIBBS, ROBERT H. HOFELDT, CHARLES A. BILLINGS
Title:
PLASTISOL SEALING GASKETS PUFFED WITH HOLLOW DISCRETE SPHERES
Assignment: 1
Reel/Frame:
004160/0636Recorded: 08/22/1983Pages: 1
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
08/10/1983
Exec Dt:
08/10/1983
Exec Dt:
08/10/1983
Assignee:
Correspondent:
CAROLE F. BARRETT
W. R. GRACE & CO.
62 WHITTEMORE AVE.
CAMBRIDGE, MA 02140
Assignment: 2
Reel/Frame:
005206/0001Recorded: 08/24/1989Pages: 16
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
05/25/1988
Exec Dt:
05/25/1988
Assignee:
55 HAYDEN AVE.
LEXINGTON, MASSACHUSETTS 02173
Correspondent:
WILLIAM L. BAKER
55 HAYDEN AVENUE
LEXINGTON, MA 02173

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