Patents by Inventor David C. Muchow

David C. Muchow 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).

  • Device and method for extended delivery of pharmacologically active agents to the ear
    Patent number: 5350580
    Abstract: A device useful for the treatment of infections of the middle ear in a prophylactic manner. A preferred device involves the use of a biodegradable support incorporating a therapeutically active agent, such as a drug. The device can be surgically inserted into the middle ear and there expand in order to substantially contact the walls of the middle ear. As it biodegrades, the expanded device provides prolonged, responsive release of active agent to the middle ear.
    Type: Grant
    Filed: February 26, 1993
    Date of Patent: September 27, 1994
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: David C. Muchow, Larry M. Sirvio