KP

Karlfried Preyer

FG Federal-Mogul Burscheid Gmbh: 2 patents #25 of 70Top 40%
📍 Wermelskirchen, DE: #76 of 183 inventorsTop 45%
Overall (All Time): #2,173,568 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7117594 Oil-scraper piston ring and a method for producing an oil-scraper piston ring — 2006-10-10
6199274 Method of making oil scraper piston rings — 2001-03-13