Granted Patent
S1
US 713,337 · App. 29/455,700 · Granted Sep 16, 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 Jul 1, 2013
From: HAKALA, JANI; SILVENNOINEN, MIKA
To: ABB OY
Reel/Frame 030754/0950 →