Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6374875 | Device for metering a granular material | Manfred Schroeder, Dieter Metzger | 2002-04-23 | $302,000 |
| 4622811 | Burner and method for removal of accumulated soot on a soot filter in internal combustion engines | Robert Distel, Peter Kugland | 1986-11-18 |