| Number | Name | Date | Kind |
|---|---|---|---|
| 2420304 | Diem | May 1947 | |
| 3305993 | Nelsson | Feb 1967 | |
| 3404886 | Dundr | Oct 1968 | |
| 3447806 | Pfaff et al. | Jun 1969 | |
| 3602511 | Gehmann | Aug 1971 | |
| 3611653 | Zinn | Oct 1971 | |
| 3737165 | Pencyla | Jun 1973 | |
| 4042061 | Murakami | Aug 1977 | |
| 4164901 | Everett | Aug 1979 | |
| 4247115 | Nikoden | Jan 1981 | |
| 4317572 | Iseli | Mar 1982 | |
| 4509301 | Head | Apr 1985 | |
| 4566237 | Turner | Jan 1986 | |
| 4567100 | Picket et al. | Jan 1986 | |
| 4598631 | Everett | Jul 1986 | |
| 4683688 | Wojcinski | Aug 1987 | |
| 4702046 | Haugen et al. | Oct 1987 | |
| 4728109 | Simonetti | Mar 1988 | |
| 4786059 | Barini | Nov 1988 | |
| 4787289 | Duer | Nov 1988 | |
| 4822657 | Simpson | Apr 1989 | |
| 4856791 | McQuade | Aug 1989 | |
| 4919437 | Salabe et al. | Apr 1990 | |
| 5040802 | Wojcinski et al. | Aug 1991 | |
| 5088741 | Simonetti | Feb 1992 | |
| 5121671 | Coburn | Jun 1992 | |
| 5255924 | Copius | Oct 1993 | |
| 5366105 | Kerman et al. | Nov 1994 | |
| 5400692 | Bateman | Mar 1995 | |
| 5456155 | Myrtoglou | Oct 1995 | |
| 5592796 | Landers | Jan 1997 |
| Entry |
|---|
| National Rifle Association Range Department, The Range Manual Indoor Range Design Criteria, 1988. |