| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 3 | |
| #2 | Argentina | 1 | |
| #3 | Brazil | 1 | |
| #4 | Canada | 1 | |
| #5 | Israel | 1 | |
| #6 | Mexico | 1 | |
| #7 | Norway | 1 | |
| #8 | Sweden | 1 | |
| #9 | South Africa | 1 |
| # | Technology | |
|---|---|---|
| #1 | Weapon sights | |
| #2 | Optical systems |
| # | Name | Total Patents |
|---|---|---|
| #1 | Shepherd Daniel R | 9 |
| Publication | Filing date | Title |
|---|---|---|
| US2008202011A1 | Telescopic gun sight windage correction system | |
| US4584776A | Telescopic gun sight | |
| US4403421A | Telescopic gun sight |