Patents by Inventor Clarence A. Niven, Jr.

Clarence A. Niven, Jr. 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).

  • Medical adhesive composite and package
    Patent number: 6149614
    Abstract: Combinations of medical adhesive composites, e.g., dressings, and a package in which the medical adhesive composites are attached to a release surface on the bottom sheet of the package are disclosed. The dressings may include a flexible backing and carrier. Methods of manufacturing and using the combination are also disclosed.
    Type: Grant
    Filed: July 2, 1997
    Date of Patent: November 21, 2000
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Wayne K. Dunshee, Donald G. Peterson, Clarence A. Niven, Jr., John E. Riedel
  • Medical adhesive bandage manufacturing
    Patent number: 6004253
    Abstract: A machine and method for converting a web having an indefinite length which includes a plurality of converting stations circumferentially spaced about an process drum. At least one of the converting stations includes a helical follower gear operatively meshing with a helical drive gear attached to the process drum. Movement of the follower gear along its axial direction provides for the relative rotational registration of a tool on the registrable converting station relative to the web.
    Type: Grant
    Filed: October 14, 1997
    Date of Patent: December 21, 1999
    Assignee: 3M Innovative Properties Company
    Inventors: John E. Riedel, Clarence A. Niven, Jr.