Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4225385 | Shive ratio analyzer | Robert A. Schilling | 1980-09-30 |
| 4220499 | Method for determining the relative quantity of shives in a stream of fibrous particles | Robert A. Schilling | 1980-09-02 |