| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 8 | |
| #2 | Canada | 7 | |
| #3 | Australia | 1 | |
| #4 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Medical technology | |
| #3 | Agriculture | |
| #4 | Electrical machinery and energy | |
| #5 | Macromolecular chemistry and polymers |
| # | Name | Total Patents |
|---|---|---|
| #1 | Spencer Dudley W C | 17 |
| #2 | Ivansons Ivars V | 2 |
| #3 | Ivansons Ivars | 1 |
| #4 | Ivansons Valdis | 1 |
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