Patents Assigned to Pemcor, Inc.
  • Compact, multiple-element speaker system
    Patent number: 4122315
    Abstract: A compact, multiple-element, high-fidelity speaker system for use in confined areas has electrically independent woofer, mid-range and tweeter elements mounted on a common frame with the mid-range and tweeter elements disposed in the conical volume of the woofer cone. Recesses in the woofer cone provide clearance for the drivers of the mid-range and tweeter elements.
    Type: Grant
    Filed: June 13, 1977
    Date of Patent: October 24, 1978
    Assignee: Pemcor, Inc.
    Inventors: Donald S. Schroeder, James F. Novak
  • Loudspeaker case
    Patent number: D251909
    Type: Grant
    Filed: June 13, 1977
    Date of Patent: May 22, 1979
    Assignee: Pemcor, Inc.
    Inventor: Orville W. Larson
  • Loudspeaker
    Patent number: D253108
    Type: Grant
    Filed: June 13, 1977
    Date of Patent: October 9, 1979
    Assignee: Pemcor, Inc.
    Inventor: Donald S. Schroeder