| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 3 | |
| #2 | Switzerland | 3 | |
| #3 | Denmark | 3 | |
| #4 | Canada | 1 | |
| #5 | United Kingdom | 1 | |
| #6 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Weapons |
| # | Technology | |
|---|---|---|
| #1 | Targets |
| # | Name | Total Patents |
|---|---|---|
| #1 | Vangen Anton | 10 |
| #2 | Anton Vangen | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US1222822A | Self-indicating target. | |
| GB103587A | Improvements in Self Marking Targets. | |
| CA244556A | Self-indicating target |