Patents by Inventor Hannah L. Mathers

Hannah L. Mathers 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).

  • Earplug with stem comprising a sleeve
    Patent number: 11173069
    Abstract: A hearing-protective earplug (1) with a resilient polymeric foam body (10) and with a grippable stem (110) that includes a forward portion (111) with an annular sleeve (112) that at least partially defines an open-ended, front-facing cavity (114) within which a rearward portion (21) of the resilient polymeric foam body resides.
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: November 16, 2021
    Assignee: 3M Innovative Properties Company
    Inventors: Caitlin E. Meree, James P. Endle, Joshua M. Fishman, Hannah L. Mathers, Travis L. Potts, Joseph D. Rule, Richard J. Webb, Caroline M. Ylitalo
  • EARPLUG WITH STEM COMPRISING A SLEEVE
    Publication number: 20200100942
    Abstract: A hearing-protective earplug (1) with a resilient polymeric foam body (10) and with a grippable stem (110) that includes a forward portion (111) with an annular sleeve (112) that at least partially defines an open-ended, front-facing cavity (114) within which a rearward portion (21) of the resilient polymeric foam body resides.
    Type: Application
    Filed: December 14, 2017
    Publication date: April 2, 2020
    Inventors: Caitlin E. Meree, James P. Endle, Joshua M. Fishman, Hannah L. Mathers, Travis L. Potts, Joseph D. Rule, Richard J. Webb, Caroline M. Ylitalo