| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | Canada | 1 | |
| #3 | Germany | 1 | |
| #4 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Optics | |
| #2 | Textiles and paper |
| # | Technology | |
|---|---|---|
| #1 | Cameras | |
| #2 | Printing machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Koppe Alexander T | 9 |
| #2 | Koppe Alexander Theodore | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1839230A | Vacuum pressure frame | |
| US1846972A | Precision copying camera | |
| US1865262A | Photocomposing machine | |
| US1847010A | Precision camera | |
| US1639738A | Machine for making press plates | |
| US1682845A | Photo-composing machine | |
| US1715712A | Proof press | |
| US1556845A | Photographic light-timing device | |
| US1702232A | Vacuum-pressure printing frame | |
| CA254995A | Machine for making offset press plates |