Patents Assigned to Dongseo Medicare Co., Ltd
  • Patent number: 11246691
    Abstract: Disclosed is a dental floss holder which can control tension of dental floss which may be stretched or weakened during usage of the dental floss and prevent the tension of the dental floss from being decreased during usage of the dental floss by protrusions formed on a tension control portion.
    Type: Grant
    Filed: May 16, 2017
    Date of Patent: February 15, 2022
    Assignees: Dongseo Medicare Co., Ltd
    Inventor: Sang Han Kim