Patents by Inventor Alexander R. Mitka

Alexander R. Mitka 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).

  • Tape cassette for cleaning VCR heads and transport components
    Patent number: 6256166
    Abstract: A cassette having a leader and recordable tape which cleans the various components of the tape path in videocassette recorders by dry scrubbing. Interactive diagnostic and instructional material is recorded on the tape to instruct the operator about the cleaning operation to enable the operator to evaluate progress of the head cleaning operation, and to program the maintenance protocol of head cleaning cycles relative to capstan cleaning cycles.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: July 3, 2001
    Assignee: 3M Innovative Porperties Company
    Inventors: Robert D. DeMaster, Alexander R. Mitka, John V. Nowicki, Alexander S. Sinclair, Richard E. Skare, Mark W. Weavers
  • Tape cassette for cleaning VCR heads and transport components
    Patent number: 5841613
    Abstract: A cassette having a leader and recordable tape which cleans the various components of the tape path in videocassette recorders by dry scrubbing. Interactive diagnostic and instructional material is recorded on the tape to instruct the operator about the cleaning operation to enable the operator to evaluate progress of the head cleaning operation, and to program the maintenance protocol of head cleaning cycles relative to capstan cleaning cycles.
    Type: Grant
    Filed: August 24, 1994
    Date of Patent: November 24, 1998
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Robert D. DeMaster, Alexander R. Mitka, John V. Nowicki, Alexander S. Sinclair, Richard E. Skare, Mark W. Weavers