IP Library Assignment 003815/0518
Patent Assignment
Reel/Frame 003815/0518

Assignment of Assignors Interest.

Recorded: 1980-09-15 Pages: 1
Assignors
NATANSOHN SAMUEL
Executed: 1980-09-10
SU SOPHIA R.
Executed: 1980-09-10
Assignee
GTE LABORATORIES INCORPORATED
WALTHAM, MASSACHUSETTS
Covered Property (1)
Extraction Process for the Recovery of Tungsten from Low Level Sources
Patent: 4,287,159 →
Application: 06/186,948 →
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest. Apr 9, 1992
From: GTE LABORATORIES INCORPORATED
To: GTE PRODUCTS CORPORATION
Reel/Frame 006100/0116 →