Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5623900 | Internal-combustion engine comprising an intake system | Walter Topfer, Dietmar Kruger, Norbert Kleinehakenkamp, Michail I. Fesina, Rudolf N. Starobinskij +2 more | 1997-04-29 |
| 5603295 | Internal-combustion engine comprising an intake system | Walter Topfer, Dietmar Kruger, Norbert Kleinehakenkamp, Michail I. Fesina, Rudolf N. Starobinskij +2 more | 1997-02-18 |