Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871163 | Paper control gate | Benzion Landa, Christopher J. Blake, Gerald R. Housworth | 1989-10-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871163 | Paper control gate | Benzion Landa, Christopher J. Blake, Gerald R. Housworth | 1989-10-03 |