DS

Daniel Louis Sigmund

WH Whirlpool: 5 patents #804 of 3,480Top 25%
Overall (All Time): #900,305 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
D1084220 Filter unit David P. Cooper, Mark C. Graff, James C.L. Guarino, Chad J. Rotter, Steven J. Kuehl +2 more 2025-07-15
D1059542 Filter unit David P. Cooper, Mark C. Graff, James C.L. Guarino, Chad J. Rotter, Steven J. Kuehl +2 more 2025-01-28
11806648 Filter assembly David P. Cooper, Mark C. Graff, James C.L. Guarino, Chad J. Rotter, Steven J. Kuehl +2 more 2023-11-07
11774155 Icemaker assembly Kevin Y. Zhang 2023-10-03
10551107 Hybrid twist tray ice maker Jerry M. Visin, Lindsey Ann Wohlgamuth, Carolina Arriaga 2020-02-04