CM

Calvin Matle

RV Ross Operating Valve: 2 patents #15 of 51Top 30%
📍 Farmington, MI: #132 of 283 inventorsTop 50%
🗺 Michigan: #35,034 of 86,293 inventorsTop 45%
Overall (All Time): #2,361,444 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D267968 Muffler for a valve Earl Beach 1983-02-15
4324314 Muffler Earl Beach 1982-04-13