RZ

Ruilin Zhang

HW Homewerks Worldwide: 5 patents #4 of 22Top 20%
Overall (All Time): #991,446 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
9609407 Method of manufacturing an audio equipped fan assembly Peter D. Berkman, Jeffrey Jon Pischke, Michael Malaker 2017-03-28
9398357 Audio equipped fan Peter D. Berkman, Jeffrey Jon Pischke, Michael Malaker 2016-07-19
9344787 Audio equipped fan Peter D. Berkman, Jeffrey Jon Pischke, Michael Malaker 2016-05-17
D752202 Fan grille Peter D. Berkman, Jeffrey Jon Pischke, Michael Malaker 2016-03-22
8763750 Audio equipped fan Peter D. Berkman, Jeffrey Jon Pischke, Michael Malaker 2014-07-01