Patents Assigned to GoldContinent Inventech International Corp.
  • Lock having a curved keyway and an accompanying key and methods therefor
    Publication number: 20040060332
    Abstract: The present invention advantageously provides a key that poses tremendous difficulty for a lock breaker by not allowing the lock breaker to see all of the pin tumblers in the keyway. The keyway according to a preferred embodiment of the present invention comprises a curvature such that one cannot see the end of the keyway. The present invention further comprises a key having flexibility for fitting into the keyway having a curvature to turn the plug and open the lock.
    Type: Application
    Filed: October 1, 2002
    Publication date: April 1, 2004
    Applicant: GoldContinent Inventech International Corp.
    Inventor: Chien-Kuo Liu