Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5803184 | Rotatable drill pipe having an auger on a free end thereof | — | 1998-09-08 |
| 4909786 | Apparatus for controlling the flow of an infusion fluid in an infusion system | Paulus H. P. M. Gijselhart | 1990-03-20 |
| 4715510 | Set up piece for mounting on a can, containing a beverage | Leendert van der Meulen | 1987-12-29 |
| 4671530 | Collapsible freight car | — | 1987-06-09 |
| 4574482 | Tin opener | — | 1986-03-11 |
| 4533279 | Method for making a foundation pile | Lambertus W. A. van den Elzen, Auke Meijer | 1985-08-06 |