DS

David L. Speirs

WA Walbro: 2 patents #2 of 26Top 8%
📍 Cass City, MI: #1 of 9 inventorsTop 15%
🗺 Michigan: #1,581 of 9,501 inventorsTop 20%
Overall (2023): #162,122 of 537,848Top 35%
2
Patents 2023

Issued Patents 2023

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11781493 Throttle body with fluid flow control Gary J. Burns, William E. Galka, Bradley J. Roche, Albert L. Sayers 2023-10-10
11655788 Charge forming device with throttle valve Jeffrey C. Hoppe, Duried F. Rabban, Bradley J. Roche 2023-05-23