Patents Assigned to Adventec Inc.
  • Syringe with retractable needle assembly
    Patent number: 5693023
    Abstract: An improved syringe of the type having a hollow body which is closed at one end by an injection means and is open at the other end, the open end receives an elongated plunger means which moves through the hollow body and forces the contents of the body through the injection means. The improvement is comprised of an elastic member which retracts the injection means into a protective covering.
    Type: Grant
    Filed: November 15, 1996
    Date of Patent: December 2, 1997
    Assignee: Adventec, Inc.
    Inventor: Robert D. Adams
  • Needle protected syringe
    Patent number: 5338304
    Abstract: An improved syringe of the type having a hollow body which is closed at one end by an injection means and is open at the other end, the open end receives an elongated plunger means which moves through the hollow body and forces the contents of the body through the injection means. The improvement is comprised of a resilient compressive member which retracts the injection means into a protective covering.
    Type: Grant
    Filed: September 14, 1993
    Date of Patent: August 16, 1994
    Assignee: Adventec, Inc.
    Inventor: Robert D. Adams
  • Protective housing for a needled syringe
    Patent number: D347688
    Type: Grant
    Filed: June 15, 1992
    Date of Patent: June 7, 1994
    Assignee: Adventec Inc.
    Inventor: Robert D. Adams
  • Elliptical syringe body
    Patent number: D403761
    Type: Grant
    Filed: July 30, 1997
    Date of Patent: January 5, 1999
    Assignee: Adventec, Inc.
    Inventor: Robert D. Adams