Issued Patents All Time
Showing 25 most recent of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7370432 | Tape measure with detachable tape | — | 2008-05-13 |
| 5131644 | Sorter and receiving tray | — | 1992-07-21 |
| 5078377 | Document feeder | — | 1992-01-07 |
| 5022639 | Document feeder with improved recyclable document control | — | 1991-06-11 |
| 4936563 | Document feeder with improved adjustable support control panels | — | 1990-06-26 |
| 4925175 | Apparatus for feeding sheets to a copying machine | — | 1990-05-15 |
| 4702466 | Sheet material feeder for copiers and other sheet processing apparatus | — | 1987-10-27 |
| 4688783 | Bottom feed sheet feeding apparatus | — | 1987-08-25 |
| 4674735 | Automatic sheet feeder for copiers and other machines having sheet transport mechanisms and assemblies therewith | Robert K. Streeter, Jr. | 1987-06-23 |
| 4674738 | Stop-mechanism for document copier | — | 1987-06-23 |
| 4632376 | Drive mechanism for document copier | — | 1986-12-30 |
| 4560156 | Device for drop-feeding sheet material into a printing apparatus or the like | — | 1985-12-24 |
| 4526361 | Document turnover device | — | 1985-07-02 |
| 4522519 | Apparatus and process for drop-feeding sheets to a typing or printing machine including separable paper clamping trays | — | 1985-06-11 |
| 4515053 | Continuous web feeder with web cutting means | — | 1985-05-07 |
| 4500087 | Drop tray sorter | — | 1985-02-19 |
| 4478406 | Apparatus for sorting photocopies | — | 1984-10-23 |
| 4466608 | Movable tray sheet sorter | John C. Hamma | 1984-08-21 |
| D271882 | Universal sorter | John C. Hamma | 1983-12-20 |
| D271775 | Copying and sorting apparatus | John C. Hamma | 1983-12-13 |
| D270253 | Combined copying and sorting machine | John C. Hamma | 1983-08-23 |
| 4397461 | Sorting machine | John C. Hamma | 1983-08-09 |
| D265564 | Continuous form feeding and copying apparatus | John C. Hamma | 1982-07-27 |
| 4332377 | Compact sorter | John C. Hamma | 1982-06-01 |
| 4328963 | Compact sorter | John C. Hamma | 1982-05-11 |