Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4976408 | Device for microfilming bound volumes using a tiltable book cradle | Ernst Hertlein | 1990-12-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4976408 | Device for microfilming bound volumes using a tiltable book cradle | Ernst Hertlein | 1990-12-11 |