Patent
Suchergebnisse für: Sedezimalsystem
- Patent:DE2037809 30.07.1970 Langenheim, Friedrich (P) : Dezimal-sedezimaler Taschenaddierer
- Patent:JP57034273 24.02.1982 Omae Takao Mitsubishi Electric Corp : Hexadecimal Slide Rule
- Patent:US2797047 25.06.1957 Lehre, Otto (P) Sterling Plastics (P) : Calculator
- Patent:US3604620 14.09.1971 Rodney S. Rakes : Calculator for Different Numerical Bases
- Patent:US3654438 04.04.1972 Philip J. Wyatt et al. : Hexadecimal/Decimal Calculator
- Patent:US3670958 20.06.1972 Radosavljevic Svetislav, Maniotes John : Slide Rule
- Patent:US3712974 23.01.1973 J. R. Martin : Computational Hexadecimal Slide Rule
- Patent:US3716186 13.02.1973 K. B. Comfort : Hexadecimal Slide Rule
- Patent:US4812124 14.03.1989 Colodner, Jesse (P) : Hexadecimal abacus