| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 5 | |
| #2 | Germany | 4 | |
| #3 | United States | 3 | |
| #4 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Analysing materials | |
| #2 | Measuring force, work and fluid pressure |
| # | Name | Total Patents |
|---|---|---|
| #1 | Guillery Rene | 5 |
| #2 | Rene Guillery | 3 |
| Publication | Filing date | Title |
|---|---|---|
| US1603458A | Machine for testing sheet metal for drawing purposes | |
| US1375385A | Method of testing materials and machine embodying the same | |
| GB141043A | An improved method of, and machine for, testing the mechanical properties of materials | |
| US1367133A | Apparatus for making rapid tests of the hardness of metals |