| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 6 | |
| #2 | Switzerland | 3 | |
| #3 | Austria | 1 | |
| #4 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Machine tools | |
| #3 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Becker Dipl-Ing Oskar | 1 |
| #2 | Schmidt Dr-Ing Hans | 1 |
| #3 | Herbert Matthaeus | 1 |
| #4 | Dr Schmidt Hans Ing | 1 |
| #5 | Richter Hans | 1 |
| #6 | Wolff Dr Helmut | 1 |
| #7 | Schmidt Leonhard | 1 |
| #8 | Hans Richter | 1 |
| #9 | Richter Dipl-Ing Otto P | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB989838A | Improvements in or relating to apparatus for measuring inside diameters |