DS

Dale A. Van Spengen

NS Nuwhirl Systems: 3 patents #1 of 7Top 15%
SC Sequence Controls: 2 patents #2 of 4Top 50%
EE Emerson Electric: 1 patents #714 of 1,374Top 55%
📍 Chilliwack, CA: #13 of 97 inventorsTop 15%
Overall (All Time): #950,523 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
11213172 Drain fixture 2022-01-04
11198993 Drain fitting device Diego David Perez, Lee Lina Ourn 2021-12-14
10542846 Flow drain for bathing apparatus 2020-01-28
8339090 Current control apparatus operable in wet environment 2012-12-25
6346790 Induction motor system with an induction motor and an electrically isolated voltage modulation motor controller William Kemp, Donald E. Morgan 2002-02-12