Patents by Inventor H. Charles Locke

H. Charles Locke has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Microcentrifuge tube cap opening and closing apparatus and method
    Patent number: 6309603
    Abstract: A single-hand apparatus for opening and closing the cap of a microcentrifuge tube. The apparatus comprises an elongate base having means on one end for mounting the base on a laboratory ring stand and means on the other end of the base for allowing a technician to hold the microcentrifuge tube in one hand and to open and close the cap without requiring a second hand.
    Type: Grant
    Filed: February 1, 1999
    Date of Patent: October 30, 2001
    Assignee: Drummond Scientific Company
    Inventor: H. Charles Locke