| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 11 | |
| #2 | United Kingdom | 3 | |
| #3 | United States | 3 | |
| #4 | France | 2 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Mechanical elements | |
| #3 | Environmental technology | |
| #4 | Engines, pumps and turbines | |
| #5 | Basic materials chemistry | |
| #6 | Materials and metallurgy | |
| #7 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Josef Desenberg | 3 |
| #2 | Desenberg Josef | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US2629975A | Abrading machine | |
| GB394142A | Improvements in grinding and polishing facets on rotary bodies | |
| GB391470A | Grinding and polishing lenses and the like | |
| GB332245A | Improvements in devices for grinding and polishing lenses | |
| US1906050A | Machine for grinding and polishing optical lenses, spectacle glasses, and the like |