Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5678585 | Umbrella | — | 1997-10-21 |
| 5669839 | Method of metering a flowable lubricant of a chain drive | Walter Graf, Ulrich Immisch | 1997-09-23 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5678585 | Umbrella | — | 1997-10-21 |
| 5669839 | Method of metering a flowable lubricant of a chain drive | Walter Graf, Ulrich Immisch | 1997-09-23 |