Patents by Inventor Ronald J. Karaskiewicz

Ronald J. Karaskiewicz 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).

  • Modular wall apparatus and method for its use
    Patent number: 5322473
    Abstract: A smoker's booth for isolating, containing, venting, and filtering tobacco smoke. The booth has a walled enclosure with a modular room divider system using hollow walls, filtration, and blower devices to remove tobacco smoke from workplace air.
    Type: Grant
    Filed: October 2, 1992
    Date of Patent: June 21, 1994
    Assignee: Quality Air Systems, Inc.
    Inventors: Joseph S. Hofstra, Ronald J. Karaskiewicz, Mark R. Fischer
  • Smoker's booth
    Patent number: 5181883
    Abstract: A smoker's booth for isolating, containing, venting, and filtering tobacco smoke. The booth has a walled enclosure with a smoker's access aperture. The presence of a smoker is detected, thereby activating the venting, filtering, and lighting mechanisms. The booth can be wall mounted or freestanding.
    Type: Grant
    Filed: November 8, 1991
    Date of Patent: January 26, 1993
    Assignee: Quality Air Systems, Inc.
    Inventors: Joseph S. Hofstra, Ronald J. Karaskiewicz, Mark R. Fischer
  • Smoker's booth
    Patent number: 5085134
    Abstract: A smoker's booth for isolating, containing, venting, and filtering tobacco smoke. The booth has a walled enclosure with a smoker's access aperture. The presence of a smoker is detected, thereby activating the venting and filtering mechanisms. The booth can be wall mounted or freestanding.
    Type: Grant
    Filed: May 17, 1990
    Date of Patent: February 4, 1992
    Inventors: Joseph S. Hofstra, Ronald J. Karaskiewicz, Mark R. Fischer