1986-01-02 US4761736 Memory management unit for addressing an expanded memory in groups




1983-06-03 US4572506 Raster line comparator circuit for video game




1983-06-03 US4569019 Video sound and system control circuit




1983-04-04 USD281503 Printer




1983-04-04 USD280322 Videogame cartridge case




1983-02-27 US4677890 Sound interface circuit




1983-01-17 US4599528 Self booting logical OR circuit




1983-01-17 US4570085 Self booting logical AND circuit




1983-01-06 US4562365 Clocked self booting logical EXCLUSIV OR Circuit




1983-01-06 US4561659 Display logic circuit for multiple object priority