Patents by Inventor Joseph L. Erno

Joseph L. Erno 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).

  • Compression driver cover
    Patent number: D436603
    Type: Grant
    Filed: April 4, 2000
    Date of Patent: January 23, 2001
    Assignee: Mackie Designs Inc.
    Inventors: Greg C. Mackie, Joseph L. Erno
  • Speaker
    Patent number: D439238
    Type: Grant
    Filed: July 21, 1999
    Date of Patent: March 20, 2001
    Assignee: Mackie Designs, Inc.
    Inventors: Greg C. Mackie, Joseph L. Erno
  • Speaker basket
    Patent number: D451908
    Type: Grant
    Filed: November 15, 2000
    Date of Patent: December 11, 2001
    Assignee: Mackie Designs, Inc.
    Inventors: Greg C. Mackie, Joseph L. Erno
  • Speaker basket
    Patent number: D451909
    Type: Grant
    Filed: April 17, 2001
    Date of Patent: December 11, 2001
    Assignee: Mackie Designs, Inc.
    Inventors: Greg C. Mackie, Joseph L. Erno
  • User interface
    Patent number: D399207
    Type: Grant
    Filed: November 7, 1996
    Date of Patent: October 6, 1998
    Assignee: Mackie Designs Inc.
    Inventors: Greg C. Mackie, Joseph L. Erno
  • User interface
    Patent number: D399208
    Type: Grant
    Filed: November 7, 1996
    Date of Patent: October 6, 1998
    Assignee: Mackie Designs Inc.
    Inventors: Greg C. Mackie, Joseph L. Erno
  • User interface
    Patent number: D400190
    Type: Grant
    Filed: November 3, 1997
    Date of Patent: October 27, 1998
    Assignee: Mackie Designs Inc.
    Inventors: Greg C. Mackie, Joseph L. Erno
  • Digital mixer
    Patent number: D410467
    Type: Grant
    Filed: January 16, 1997
    Date of Patent: June 1, 1999
    Assignee: Mackie Designs Inc.
    Inventors: Greg C. Mackie, Joseph L. Erno
  • Digital mixer
    Patent number: D417218
    Type: Grant
    Filed: January 23, 1998
    Date of Patent: November 30, 1999
    Assignee: Mackie Designs, Inc.
    Inventors: Greg C. Mackie, Joseph L. Erno
  • Speaker
    Patent number: D419158
    Type: Grant
    Filed: January 26, 1999
    Date of Patent: January 18, 2000
    Assignee: Mackie Designs, Inc.
    Inventors: Greg C. Mackie, Joseph L. Erno
  • Digital mixer
    Patent number: D419563
    Type: Grant
    Filed: June 26, 1998
    Date of Patent: January 25, 2000
    Assignee: Mackie Designs, Inc.
    Inventors: Greg C. Mackie, Joseph L. Erno
  • Power mixer housing
    Patent number: D423507
    Type: Grant
    Filed: January 26, 1999
    Date of Patent: April 25, 2000
    Assignee: Mackie Designs, Inc.
    Inventors: Greg C. Mackie, Joseph L. Erno