Patents Assigned to Retractable I, Inc.
  • Patent number: 5279580
    Abstract: An improved hand syringe has been provided which allows a used needle to be retracted completely into the body of the syringe, and stored there such that the spent needle cannot be used again. This improvement thereby provides safety from accidental infection to persons required to use hand syringes as well as persons required to dispose of these syringes.
    Type: Grant
    Filed: March 19, 1992
    Date of Patent: January 18, 1994
    Assignee: Retractable I., Inc.
    Inventor: Lawrence E. Wallingford
  • Patent number: 5098390
    Abstract: An improved hand syringe has been provided which allows a used needle to be retracted completely into the body of the syringe, and stored there such that the spent needle cannot be used again. This improvement thereby provides safety from accidental infection to persons required to use hand syringes as well as persons required to disposed of these syringes.
    Type: Grant
    Filed: September 7, 1990
    Date of Patent: March 24, 1992
    Assignee: Retractable I, Inc.
    Inventor: Lawrence E. Wallingford