US D988,996 S
Frequency converter
Sami Huhtakallio, Vaasa (FI); Lasse Aro, Vaasa (FI); and Tuomas Laasanen, Gråsten (DK)
Assigned to Danfoss Power Electronics A/S, Grästen (DK)
Filed by Danfoss Power Electronics A/S, Gråsten (DK)
Filed on May 7, 2021, as Appl. No. 29/782,532.
Claims priority of application No. 008263206 (EM), filed on Nov. 10, 2020.
Term of patent 15 Years
LOC (14) Cl. 13 - 02
U.S. Cl. D13—110
OG exemplary drawing
 
The ornamental design for a frequency converter, substantially as shown and described.