Patents by Inventor Gary Edward Dwyer

Gary Edward Dwyer 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).

  • Prefilter cover for bidirectional-airflow respirator cartridge
    Patent number: 9440775
    Abstract: A prefilter cover for a bidirectional-airflow respirator cartridge, the prefilter cover including front and rear clamshell portions that are flexibly connected by a flexible connecting member.
    Type: Grant
    Filed: May 22, 2014
    Date of Patent: September 13, 2016
    Assignee: 3M Innovative Properties Company
    Inventors: Gary Edward Dwyer, Pierre Legare
  • PREFILTER COVER FOR BIDIRECTIONAL-AIRFLOW RESPIRATOR CARTRIDGE
    Publication number: 20150336718
    Abstract: A prefilter cover for a bidirectional-airflow respirator cartridge, the prefilter cover including front and rear clamshell portions that are flexibly connected by a flexible connecting member.
    Type: Application
    Filed: May 22, 2014
    Publication date: November 26, 2015
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Gary Edward Dwyer, Pierre Legare