Patent Assignment
Reel/Frame 006646/0302
Assignment of Assignor's Interest
Recorded: 1993-08-09
Pages: 5
Assignor
OIL WELL AUTOMATION, INC.
Executed: 1993-07-30
Assignee
DORRANCE, ROY G.
643 PITCAIRN PLACE, PITTSBURGH, PENNSYLVANIA, 15232
Covered Property
(1)
Level Sensor
Patent:
33,690 →
Application:
07/505,346 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Dec 31, 2020
From: VAN SAMBEEK, ELLEN
To: DUMMEN GROUP B.V.
Reel/Frame 054788/0940 →
Intellectual Property Security Agreement
Aug 14, 2024
From: DÜMMEN GROUP B.V.; DÜMMEN ORANGE JUNGPFLANZEN GMBH & CO. KG; DÜMMEN NA, INC.
To: KROLL TRUSTEE SERVICES LIMITED, AS SECURITY AGENT
Reel/Frame 068790/0081 →