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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
07/15/1986
Application #:
06723995
Filing Dt:
04/17/1985
Inventors:
ROBERT A. WIERCINSKI, STEPHEN J. WHICHER
Title:
BITUMEN ADHESIVE AND WATERPROOFING MEMBRANES CONTAINING SAME
Assignment: 1
Reel/Frame:
004408/0862Recorded: 06/05/1985Pages: 1
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
05/28/1985
Exec Dt:
05/28/1985
Assignee:
62 WHITTEMORE AVENUE
A CORP OF CT
CAMBRIDGE, MASSACHUSETTS
Correspondent:
JOHN J. WASATONIC
W. R. GRACE AND CO.
PATENT DEPARTMENT
62 WHITTEMORE AVENUE
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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