Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4967706 | Internal-combustion engine of the injection type, and plate intended for fitting between the inlet ports of a cylinder block of such an engine and an inlet tube | Gustaaf Louis van Wechem, Arie Van Der Ploeg, Gerrit J. Beunk, Juergen Henke, Erwin Spinner | 1990-11-06 |
| 4859608 | Method and apparatus for titrimetric content determination in a chemical solution | — | 1989-08-22 |