Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849958 | System for recording/reading information on/from a disc, comprising a disc cassette and an apparatus | Cornelis H. M. Van Rijsewijk, Rudolf J. G. A. van der Hoorn, Cornelis Ouwerkerk | 1989-07-18 |
| 4841602 | Device for cutting up meat and/or bones of a slaughter animal | Rudolf J. G. A. van der Hoorn | 1989-06-27 |