[Pagina principale]

Rechnerlexikon

Die große Enzyklopädie des mechanischen Rechnens

3.227.233.78 | Log in | Aiuto

  DE  EN  FR  IT 
Pagina principale
Tutte le pagine
Ultime modifiche

Versione stampabile
Discussione

Articolo
Immagine
Brevetto



Pagine speciali
Pfeil.gif Brevetti  Pfeil.gif Stati Uniti  Pfeil.gif 1992

Patente aus den USA 1992


  • Patent:US5080592 14.01.1992 Laghi, Aldo A. : Variable action quincunx pinplate
  • Patent:US5084609 28.01.1992 Saber Gilbert F : Trigonometric Slide Rule
  • Patent:US5123170 23.06.1992 Enrique, Castaneda-Mori : Ellipsograph as a drafting tool
  • Patent:US5123171 23.06.1992 Langston, Charles F. : Irregular surface ellipsograph
  • Patent:US5134692 28.07.1992 Hiromori, Junji Hiromori Inv. : Combined electronic calculator and abacus with deflective guide bars
  • Patent:US5136965 11.08.1992 Tamburro Jr Louis : Part number Slide Rule apparatus
  • Patent:US5137302 11.08.1992 Henry R. Angel : Analog slide display
  • Patent:US5148006 15.09.1992 Driscoll, William A. (Maplewood, MN) : Mechanical device for determining the modulus and loss factor of a damping material based upon temperature and frequency
  • Patent:US5149269 22.09.1992 Ylitalo, Howard (R.R. 2, Box 106, Cokato, MN 55321) : Manual teaching calculator
  • Patent:US5173566 22.12.1992 Hiraoka, Tadashi : Apparatus for rapid reference to musical scales


In base alla licenza d'uso è permesso citare testualmente parti di rechnerlexikon.de purché se ne citi la fonte.