Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4566545 | Coring device with an improved core sleeve and anti-gripping collar with a collective core catcher | Michael Filshtinsky | 1986-01-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4566545 | Coring device with an improved core sleeve and anti-gripping collar with a collective core catcher | Michael Filshtinsky | 1986-01-28 |