Patent Assignment
Reel/Frame 005584/0711
Assignment of Assignors Interest.
Recorded: 1991-02-01
Pages: 4
Assignors
DOBROWOLSKI, JERZY A.
Executed: 1989-07-10
HO, FANG C.
Executed: 1989-07-10
WALDORF, ALLAN J.
Executed: 1989-07-10
Assignee
Covered Property
(1)
Form Depicting, Optical Interference Authenticating Device
Patent:
5,009,486 →
Application:
07/327,542 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Feb 18, 1992
From: CANADIAN PATENTS AND DEVELOPMENT LIMITED - SOCIETE CANADIENNE DES BREVETS D'EXPLOITATION LIMITEE, A CORP. OF CANADA
To: NATIONAL RESEARCH COUNCIL OF CANADA
Reel/Frame 006017/0365 →
Assignment of Assignors Interest.
Feb 25, 1992
From: CANADIAN PATENTS AND DEVELOPMENT LIMITED/SOCIETE CANADIENNE DES BREVETS ET D'EXPLOITATION LIMITEE
To: NATIONAL RESEARCH COUNCIL OF CANADA
Reel/Frame 006062/0253 →