Number | Name | Date | Kind |
---|---|---|---|
3690334 | Miller | Sep 1972 | |
3709237 | Smith | Jan 1973 | |
3854746 | Flynn et al. | Dec 1974 | |
4186507 | Stinnett | Feb 1980 | |
4224754 | Derryberry | Sep 1980 | |
4483090 | Carper | Nov 1984 | |
4506467 | Strung | Mar 1985 | |
4581837 | Powlus | Apr 1986 | |
4632138 | Irwin | Dec 1986 | |
4723371 | Williams | Feb 1988 | |
4726973 | Thompson | Feb 1988 | |
4794717 | Horsmann | Jan 1989 | |
4917127 | Marble et al. | Apr 1990 | |
5033493 | Senchuck | Jul 1991 | |
5172525 | Cook | Dec 1992 | |
5373863 | Prizio | Dec 1994 | |
5377711 | Mueller | Jan 1995 |
Entry |
---|
Popular Science, vol. 175, No. 4 (Oct., 1956), p. 197--"Portable Duck Blind" article. |
Popular Mechanics, vol. 106, No. 5 (Nov., 1956), p. 119--"Portable Duck Blind" disclosure. |