DS

David L. Speirs

WA Walbro: 3 patents #1 of 20Top 5%
📍 Cass City, MI: #1 of 9 inventorsTop 15%
🗺 Michigan: #1,066 of 9,630 inventorsTop 15%
Overall (2017): #81,285 of 506,227Top 20%
3
Patents 2017

Issued Patents 2017

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9765724 Fuel injected engine system Massimo Casoni, William E. Galka, Bradley J. Roche, Mark S. Swanson, Eric G. Zbytowski 2017-09-19
9567944 Layered diaphragm George M. Pattullo 2017-02-14
9553440 Wire seal assembly Jeffrey D. Hanby, Kevin L. Israelson, Douglas W. Salowitz, Jr., Roger N. Smith 2017-01-24