| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 7 | |
| #2 | Canada | 3 | |
| #3 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Grinding or polishing devices | |
| #2 | Making gears or toothed racks | |
| #3 | Measuring length, angles and areas |
| # | Name | Total Patents |
|---|---|---|
| #1 | Philippe Maurice Germain Edmon | 3 |
| Publication | Filing date | Title |
|---|---|---|
| GB531013A | Device for the trimming of the rounded edges of grinding wheels and chiefly for machines used for the grinding of gear wheels | |
| GB521062A | Indexing device for machines for grinding gear-wheels | |
| CA449541A | Indexing device | |
| CA385246A | Gear wheel grinding apparatus | |
| CA385247A | Grinding wheel dressing apparatus |