Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5317987 | Indicator for display of elapsed times and/or of the moment when changes of state occur | Bruno Langenfeld | 1994-06-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5317987 | Indicator for display of elapsed times and/or of the moment when changes of state occur | Bruno Langenfeld | 1994-06-07 |