Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4848559 | Method or apparatus for elevating articles in a feeder | Kurt H. Hoppman, James G. Lin | 1989-07-18 |
| 4844699 | Submersible pump | Peter G. Hoppmann | 1989-07-04 |
| 4828100 | Rotating ring orienting feeder | Kurt H. Hoppmann, James G. Lin | 1989-05-09 |
| 4821920 | Method and apparatus for loading articles onto feeder by elevating ramp segments | James G. Lin | 1989-04-18 |
| 4795823 | (Meth)acrylic acid esters and the use thereof for preparing dental compositions | Peter Jochum, Wolf-Dietrich Zahler, Heijo Hubner, Manfred Holupirek, Oswald Gasser +1 more | 1989-01-03 |