Patent Assignment
Reel/Frame 004967/0977
Assignment of Assignors Interest.
Recorded: 1988-11-02
Pages: 5
Assignors
WORCESTER, ANTHONY W.
Executed: 1988-09-26
RAVNBORG, KAI
Executed: 1988-09-22
AGUIRRE, CARLOS E.
Executed: 1988-09-13
Covered Property
(1)
Method of Alloying Aluminum and Calcium into Lead
Patent:
4,808,376 →
Application:
07/083,822 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Apr 21, 1994
From: DOE RUN COMPANY, THE
To: ST. JOE MINERALS CORPORATION
Reel/Frame 006950/0812 →
Security Interest
Apr 22, 1994
From: DOE RUN RESOURCES CORPORATION, THE
To: CONGRESS FINANCIAL CORPORATION
Reel/Frame 006950/0873 →
Assignment of Assignor's Interest
Apr 25, 1994
From: DOE RUN RESOURCES CORPORATION, THE
To: PRESIDENT AND FELLOWS OF HARVARD COLLEGE
Reel/Frame 006949/0473 →
Release of Security Interest
Feb 18, 1997
From: PRESIDENT AND FELLOWS OF HARVARD COLLEGE C/O HARVARD MANAGEMENT COMPANY, INC.
To: DOE RUN RESOURCES CORPORATION, THE
Reel/Frame 008345/0643 →