Number | Name | Date | Kind |
---|---|---|---|
4349815 | Spooner | Sep 1982 | |
4711512 | Upatnieks | Dec 1987 | |
4794430 | Whittaker et al. | Dec 1988 | |
4869575 | Kubik | Sep 1989 |
Entry |
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Stephenson, D., et al, A helmet-mounted sight system, GEC Journal of Science and Technology, vol. 46, No. 1, 1980, pp. 33-38. |