Patent Assignment
Reel/Frame 004917/0637
Assignment of Assignors Interest.
Recorded: 1988-08-15
Pages: 2
Covered Property
(1)
Making a Taphole
Application:
07/232,005 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Released by Secured Party
Apr 20, 1989
From: ITT COMMERICIAL FINANCE CORP.
To: NATIONAL REFRACTORIES & MINERALS CORPORATION, A CORP. OF CA
Reel/Frame 005126/0237 →
Security Interest
Jun 23, 1989
From: NATIONAL REFRACTORIES & MINERALS CORPORATION
To: CITICORP NORTH AMERICA, INC., A CORP. OF DE
Reel/Frame 005270/0675 →