Patent Assignment
Reel/Frame 003812/0143
Assignment of Assignors Interest.
Recorded: 1980-12-03
Pages: 1
Assignor
BARTHOLIC DAVID B.
Executed: 1979-10-25
Assignee
ENGELHARD MINERALS & CHEMICALS CORPORATION
WOODBRIDGE, NEW JERSEY
Covered Property
(1)
Upgrading Petroleum and Residual Fractions Thereof
Patent:
4,263,128 →
Application:
06/090,247 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.