Patents by Inventor Andrzej Roszkowski

Andrzej Roszkowski 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).

  • Inhaler
    Patent number: D781412
    Type: Grant
    Filed: September 16, 2015
    Date of Patent: March 14, 2017
    Inventors: Maciej Wieczorek, Andrzej Roszkowski
  • Inhaler
    Patent number: D827124
    Type: Grant
    Filed: July 8, 2016
    Date of Patent: August 28, 2018
    Inventors: Maciej Wieczorek, Andrzej Roszkowski
  • Inhaler
    Patent number: D929567
    Type: Grant
    Filed: November 12, 2019
    Date of Patent: August 31, 2021
    Inventors: Andrzej Roszkowski, Maciej Wieczorek