Patents Assigned to TypeRight Keyboard Corporation
  • Ergonomic keyboard apparatus and method of using same
    Patent number: 5503484
    Abstract: A keyboard arrangement with a pair of angularly disposed, spaced apart groups of character keys dedicated for operating use respectively by the left hand and the right hand of a user. A space bar key is operable by either thumb of the user and bridges between the two groups of character keys. The rows of keys in each group are staggered, and each key bears character indicia disposed at an angle to the transverse direction of its group of keys.
    Type: Grant
    Filed: October 3, 1994
    Date of Patent: April 2, 1996
    Assignee: Typeright Keyboard Corporation
    Inventor: William M. Louis
  • Ergonomic keyboard apparatus with left and right key section separated by an irregularly shaped space
    Patent number: 5372441
    Abstract: A keyboard arrangement with a pair of angularly disposed, spaced apart groups of character keys dedicated for operating use respectively by the left hand and the right hand of a user. A space bar key is operable by either thumb of the user and bridges between the two groups of character keys. The rows of keys in each group are staggered, and each key bears character indicia disposed at an angle to the transverse direction of its group of keys.
    Type: Grant
    Filed: July 13, 1993
    Date of Patent: December 13, 1994
    Assignee: TypeRight Keyboard Corporation
    Inventor: William M. Louis
  • Keyboard for an information system terminal
    Patent number: D339800
    Type: Grant
    Filed: February 21, 1991
    Date of Patent: September 28, 1993
    Assignee: TypeRight Keyboard Corporation
    Inventor: William M. Louis
  • Keyboard panel for an information system terminal
    Patent number: D340043
    Type: Grant
    Filed: February 21, 1991
    Date of Patent: October 5, 1993
    Assignee: TypeRight Keyboard Corporation
    Inventor: William M. Louis