| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 6 | |
| #2 | Switzerland | 6 | |
| #3 | France | 6 | |
| #4 | United States | 6 | |
| #5 | Germany | 3 | |
| #6 | United Kingdom | 3 | |
| #7 | Austria | 1 | |
| #8 | Spain | 1 | |
| #9 | Italy | 1 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Handling thin material |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hamma John C | 9 |
| #2 | Hamma John Charles | 8 |
| #3 | Dubois Robert Clark | 8 |
| #4 | Du Bois R Clark | 5 |
| #5 | Dubois R Clark | 5 |
| #6 | Lawrence Frederick J | 5 |
| #7 | Lawrence Frederick John | 2 |
| #8 | Hamma John | 1 |
| Publication | Filing date | Title |
|---|---|---|
| IT8149878D0 | Sorting machine for attachment to copying machine | |
| US4397461A | Sorting machine | |
| DE3116940A1 | SORTING DEVICE FOR PAPER SHEETS, PREFERABLY FOR ATTACHMENT TO A COPIER | |
| US4332377A | Compact sorter | |
| US4337936A | Compact sorter | |
| US4300710A | Continuous form feeder | |
| US4328963A | Compact sorter | |
| US4343463A | Compact sorter |