Patents Assigned to Esro AG
  • Interproximal toothbrush
    Patent number: 4395943
    Abstract: A brush construction is disclosed which comprises one or more twisted wires having fixed filaments between turns of the wire or wires, the wire or wires having an electrically insulated, wear-resistant and elastic layer thereon. This prevents the wire from reacting with its surroundings, for example, producing a galvanic or electrical effect when used as a dental or oral cleansing brush.
    Type: Grant
    Filed: September 21, 1981
    Date of Patent: August 2, 1983
    Assignee: Esro AG
    Inventor: Paul Brandli
  • Electric toothbrush
    Patent number: D864584
    Type: Grant
    Filed: November 30, 2017
    Date of Patent: October 29, 2019
    Assignee: ESRO AG
    Inventor: Remo Frei
  • Toothbrush
    Patent number: D927194
    Type: Grant
    Filed: April 2, 2019
    Date of Patent: August 10, 2021
    Assignee: ESRO AG
    Inventor: Patrick Sutter
  • Interdental cleaner
    Patent number: D1021416
    Type: Grant
    Filed: August 31, 2021
    Date of Patent: April 9, 2024
    Assignee: Esro AG
    Inventor: Patrick Sutter