Patent Assignment
Reel/Frame 003880/0229
Assignment of Assignors Interest.
Recorded: 1981-04-20
Pages: 2
Assignors
BAHR THEODOR
Executed: 1981-04-08
HEINRICH HANS-OTTO
Executed: 1981-04-12
THUMM HELMUT
Executed: 1981-04-08
Covered Property
(1)
Apparatus for the Production of Mechanical Wood Pulp
Patent:
4,405,091 →
Application:
06/255,849 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.