| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 18 | |
| #2 | Canada | 1 | |
| #3 | Germany | 1 | |
| #4 | France | 1 | |
| #5 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Textiles and paper | |
| #2 | Packaging and shipping | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Copy machines | |
| #2 | Handling thin material | |
| #3 | Unspecified technologies | |
| #4 | Printing processes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Theodore Danheiser | 5 |
| #2 | Francis Fecher Frederick | 4 |
| #3 | Saliger Alois Benjamin | 3 |
| #4 | Albert Isaacs | 3 |
| #5 | Richard Baldauf | 2 |
| #6 | Fecher Frederick Francis | 2 |
| #7 | Augustus Kenworthy Charles | 2 |
| #8 | Kenworthy Charles A | 1 |
| #9 | Forster Sebastian | 1 |
| #10 | Pittman Reinhart W | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2185682A | Copying machine | |
| US2053267A | Duplicator | |
| US1576957A | Duplicator | |
| US1553084A | Spindle | |
| US1648219A | Duplicator | |
| US1507183A | Duplicator | |
| US1533867A | Spindle | |
| US1573963A | Duplicating roll or sheet and process of making same | |
| US1491585A | Paper-feeding device | |
| GB177221A | Attachments for duplicators | |
| US1422934A | Duplicator | |
| US1372674A | Duplicator | |
| US1377584A | Spindle for duplicating-machines and the like | |
| US1270331A | Duplicator. | |
| US1254733A | Duplicator. | |
| US1235917A | Duplicator. | |
| US1297404A | Duplicator. | |
| US1222275A | Duplicating-machine. | |
| CA111374A | Duplicating roll | |
| US798774A | Duplicator. |