Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5617823 | Spark-ignited reciprocating piston engine having a subdivided combustion chamber | Charles L. Gray, Jr., Karl H. Hellmann, Ulrich Hilger | 1997-04-08 |
| D377514 | Remote controlled fishing lure carrier | — | 1997-01-21 |