Patent Assignment
Reel/Frame 004881/0807
Assignment of Assignors Interest.
Recorded: 1988-05-04
Pages: 1
Assignors
OESCH, GUSTAV
Executed: 1988-04-22
GMEINER, PAUL
Executed: 1988-04-22
HOFER, URS
Executed: 1988-04-26
Assignee
MICAFIL AG, A CORP. OF SWITZERLAND
BADENERSTR. 780, CH-8048, ZURICH, SWITZERLAND
Covered Property
(1)
Process for the Extraction of Oil or Polychlorinated Biphenyl from Electrical Parts Through the Use of Solvents and for Distillation of the Solvents
Patent:
4,879,004 →
Application:
07/190,080 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 28, 1995
From: MICAFIL AG
To: MICAFIL VAKUUMTECHNIK AG
Reel/Frame 007408/0320 →
Merger
Apr 2, 2003
From: MICAFIL VAKUUMTECHNIK AG
To: MICAFIL AG
Reel/Frame 013907/0717 →
Assignment of Assignor's Interest
Apr 22, 2005
From: MICAFIL AG
To: ABB SCHWEIZ AG
Reel/Frame 016145/0097 →