Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889462 | Loading apparatus for emptying containers into a common receptacle | Arno Gajewski | 1989-12-26 |
| 4824315 | Equipment for emptying containers statement as to rights to inventions made under federally-sponsored research and development | Karl-Heinz Droge, Hans-Joachim Pieperhoff | 1989-04-25 |