IP Library › Granted Patent US 773,993
Granted Patent S1
US 773,993 · App. 29/517,776 · Granted Dec 13, 2016

Frequency converter

Inventors: Marc Hoffman (Clayton, NC); Dan Lewis (Raleigh, NC)
Assignee: VACON OY
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Quick Facts
Patent No.
US 773,993
App. No.
29/517,776
Granted
Dec 13, 2016
Kind
S1
Claims (1)

The ornamental design for a frequency converter, as shown and described.

Assignments (3)
CHANGE OF NAME Recorded Jul 13, 2024
From: VACON OY
To: DANFOSS DRIVES OY
Reel/Frame 068321/0125 →
CHANGE OF NAME Recorded Jul 26, 2016
From: VACON OYJ
To: VACON OY
Reel/Frame 039466/0181 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 20, 2015
From: HOFFMAN, MARC; LEWIS, DAN
To: VACON OYJ
Reel/Frame 034993/0245 →
Priority Claims (1)
EM 002607705-0001 · Dec 31, 2014 · regional