Patents by Inventor Sarah Ashley Spangler

Sarah Ashley Spangler 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).

  • SYRINGE WITH BACKPRESSURE PREVENTER AND ASSOCIATED METHODS
    Publication number: 20200330688
    Abstract: Devices used to deliver a medical fluid and/or medicament are disclosed herein. The devices may be configured to deliver an accurate volume of fluid and/or medicament. The devices may include a syringe having a barrel member and a plunger member comprising a detent to couple with a retention member of the barrel member to restrict retraction of the plunger member from a locked state due to backpressure.
    Type: Application
    Filed: April 17, 2020
    Publication date: October 22, 2020
    Inventors: David W. Johnson, Sarah Ashley Spangler
  • Syringe
    Patent number: D889639
    Type: Grant
    Filed: April 19, 2019
    Date of Patent: July 7, 2020
    Assignee: Merit Medical Systems, Inc.
    Inventors: David W. Johnson, Sarah Ashley Spangler