| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 42 | |
| #2 | United Kingdom | 2 | |
| #3 | Switzerland | 1 | |
| #4 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Engines, pumps and turbines | |
| #3 | Optics | |
| #4 | Transport |
| # | Name | Total Patents |
|---|---|---|
| #1 | Keller-Dorian Albert | 42 |
| #2 | Crayssac Desire | 3 |
| #3 | Desire Crayssac | 1 |
| #4 | Albert Keller-Dorian | 1 |
| #5 | Albert Keller Dorian | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB180656A | Improvements in optical devices for vision or projection in colours of films with microscopical refractive elements | |
| FR10946E | Adjustable brake for bicycles and motorcycles | |
| GB190805498A | Improvements in Spring Forks for Cycles and Motors Cycles. |