Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846616 | Apparatus and method for automatically, justifying, assembling, and binding sheets into books | William H. Abildgaard, Charles Chadwick, Peter Hotkowski | 1989-07-11 |
| 4844674 | Cassette for bookbinding strips | Barney A. Tipps | 1989-07-04 |