Patents by Inventor Harry Fletcher

Harry Fletcher 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).

  • Single dose medicament dispenser assembly
    Patent number: 5609581
    Abstract: The combination comprising a container for a product having a puncturable diaphragm at one end thereof, an applicator of elongated parabolic shape including means for detachably mounting it on the container, an internal piercing element in the applicator aligned with the diaphragm and a plurality of discharge openings in the applicator, the applicator actuatable between an unarmed position wherein the piercing element is spaced from the diaphragm in an armed position where it punctures the diaphragm to permit discharge of the contents through the piercing element and the discharge openings in the applicator.
    Type: Grant
    Filed: October 11, 1995
    Date of Patent: March 11, 1997
    Assignee: Lawson Mardon Wheaton Inc.
    Inventors: Harry Fletcher, Merrel J. Locke