Granted Patent
S1
US 708,133 · App. 29/371,781 · Granted Jul 1, 2014
Frequency converter
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Claims (1)
The ornamental design for a frequency converter, as shown and described.
Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded Oct 19, 2018
From: ABB OY
To: ABB SCHWEIZ AG
Reel/Frame 047801/0174 →
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded Oct 11, 2011
From: HAKALA, JANI; SILVENNOINEN, MIKA
To: ABB OY
Reel/Frame 027061/0476 →