IP Library › Assignment 004975/0312
Patent Assignment
Reel/Frame 004975/0312

Assignment of Assignors Interest.

Recorded: 1988-10-27 Pages: 1
Assignors
SPRENKELS, ADRIANUS J.
Executed: 1988-10-24
BERGVELD, PIET
Executed: 1988-10-24
Assignee
Covered Property (1)
Electroacoustic Transducer of the So-Called "Electret" Type, and a Method of Making Such a Transducer
Patent: 4,908,805 →
Application: 07/263,196 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Sep 9, 1996
From: MICROTEL B.V.
To: MICROTONIC NEDERLAND B.V.
Reel/Frame 008126/0483 →
Assignment of Assignor's Interest Mar 17, 2003
From: MICROTRONIC NEDERLAND B.V.
To: SONIONMICROTRONIC NEDERLAND B.V.
Reel/Frame 013828/0972 →