Patents by Inventor Orville F. Wienke

Orville F. Wienke 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).

  • Fragrance-releasing pull-apart sheet
    Patent number: 4720417
    Abstract: Microencapsulated materials are released by rupturing of an adhesive layer on a substrate containing the capsules.
    Type: Grant
    Filed: October 31, 1986
    Date of Patent: January 19, 1988
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Norman P. Sweeny, Jack W. Charbonneau, Orville F. Wienke
  • Fragrance-releasing pull apart sheet
    Patent number: RE33299
    Abstract: Microencapsulated materials are released by rupturing of an adhesive layer on a substrate containing the capsules.
    Type: Grant
    Filed: January 13, 1989
    Date of Patent: August 14, 1990
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Norman P. Sweeny, Jack W. Charbonneau, Orville F. Wienke