David L. Speirs — 3 Patents at Walbro

David L. Speirs — 3 Patents in 2021

WAWalbro: 2 patents #12 of 46Top 30%

Microsoft: 1 patents #1,811 of 6,492Top 30%

Cass City, MI: #2 of 7 inventorsTop 30%

Michigan: #971 of 9,874 inventorsTop 10%

Overall (2021): #85,684 of 548,734Top 20%

Issued Patents 2021

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
11093237	Build isolation system in a multi-system environment	Matthew R. Peterson, Carlo Rivera, Max David Bressler	2021-08-17	$196,769,000
11073122	Low pressure fuel and air charge forming device for a combustion engine	Gary J. Burns, Andreas D. Dixon, Eric G. Zbytowski, Albert L. Sayers, Justin T. Dolane +3 more	2021-07-27
11008951	Low pressure fuel injection system for a multi-cylinder light-duty internal combustion engine	Gary J. Burns, William E. Galka, Bradley J. Roche, Albert L. Sayers, Eric G. Zbytowski	2021-05-18