RS

Russell R. Speirs

WA Walbro: 2 patents #81 of 212Top 40%
📍 Cass City, MI: #26 of 44 inventorsTop 60%
🗺 Michigan: #35,034 of 86,293 inventorsTop 45%
Overall (All Time): #1,897,758 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10549631 Fuel pump assembly with removable and/or movable supports Jeffrey D. Hanby, Kevin L. Israelson, Douglas W. Salowitz, Jr., Roger N. Smith, David L. Speirs 2020-02-04
10119516 Ignition diagnostics system Martin N. Andersson, Cyrus M. Healy 2018-11-06