Patents by Inventor Miguel Villarejos

Miguel Villarejos 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).

  • Tamperproof container
    Patent number: 4306357
    Abstract: An improved tamperproof container for lyophilized material wherein the container comprises a vial having flange about its opening. Below the flange, but spaced apart therefrom is a shoulder to define an indented neck therebetween. The opening is sealed with a pierceable stopper. An overcap extends over the flange and about the neck to form a skirt about the neck. The skirt has at least a portion thereof extending inwardly in gripping reaction with the neck and limited in removal by contact with the underside of the flange whereby the cap cannot be removed without destroying its structural integrity.
    Type: Grant
    Filed: February 4, 1980
    Date of Patent: December 22, 1981
    Assignee: Merck & Co., Inc.
    Inventor: Miguel Villarejos
  • Tamperproof container
    Patent number: 4211333
    Abstract: An improved tamperproof container for lyophilized material wherein the container comprises a vial having flange about its opening. Below the flange, but spaced apart therefrom is a shoulder to define an indented neck therebetween. The opening is sealed with a pierceable stopper. An overcap extends over the flange and about the neck to form a skirt about the neck. The skirt has at least a portion thereof extending inwardly in gripping relation with the neck and limited in removal by contact with the underside of the flange whereby the cap cannot be removed without destroying its structural integrity.
    Type: Grant
    Filed: June 5, 1978
    Date of Patent: July 8, 1980
    Assignee: Merck & Co., Inc.
    Inventor: Miguel Villarejos