| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | Germany | 3 | |
| #3 | Canada | 1 | |
| #4 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Optics |
| # | Technology | |
|---|---|---|
| #1 | Electrography |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gross Frank C | 4 |
| #2 | Plumadore John D | 3 |
| #3 | Lempke George D | 2 |
| #4 | Hakanson Nils L | 2 |
| #5 | Dirks Johan F | 1 |
| #6 | Milewski Stephen M | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4141647A | Method and apparatus of aperture flooding | |
| US4047950A | Method for developing an electrostatic latent image on an electrophotographic film | |
| US4003648A | Apparatus for making electrical contact with an electrophotographic film | |
| US4041312A | Apparatus for electrostatically charging an electrophotographic film | |
| US3972610A | Electrophotographic apparatus for production of plural images on a sheet |