Number | Date | Country | Kind |
---|---|---|---|
56-108616 | Jul 1981 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
2876676 | Morgan | Mar 1959 | |
4228341 | Zandberg | Oct 1980 | |
4247161 | Unertl | Jun 1981 | |
4350777 | Henrichs et al. | Sep 1981 |
Number | Date | Country |
---|---|---|
2226481 | Dec 1973 | DEX |
Entry |
---|
Higgins et al., "Adjustable Beam Reflector" IBM Technical Disclosure Bulletin, vol. 21, No. 8, Jan. 1978, pp. 3089-3090. |