| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | Canada | 3 | |
| #3 | Argentina | 1 | |
| #4 | Australia | 1 | |
| #5 | Germany | 1 | |
| #6 | United Kingdom | 1 | |
| #7 | Italy | 1 | |
| #8 | New Zealand | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Measurement | |
| #3 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Raiha Antti P | 10 |
| #2 | Raiha A P | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4991306A | Tactile center locator | |
| US4549463A | Decapping tool | |
| US4438567A | Center locator for alignment of work to machine spindle | |
| US4411105A | Precision drill bit resurfacing tool | |
| NZ195669A | Elevator for drill press table | |
| AU6020280A | Drill table height adjustment |