Patents by Inventor Iris Gruber

Iris Gruber 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).

  • Clock with a Tzolkin calendar
    Patent number: 6278662
    Abstract: A conventional type clock with a date, hour, minute and seconds display, characterized in that Maya signs are provided instead of the usual hour signs and in that the 20 Tzolkin day symbols are applied to an outer ring that can rotate according to the clock movement. The meaning of each of the respective combinations of Maya signs and Tzolkin day symbols can be inferred from the corresponding Tzolkin calendar.
    Type: Grant
    Filed: December 2, 1999
    Date of Patent: August 21, 2001
    Inventor: Iris Gruber
  • Watch dial
    Patent number: D913136
    Type: Grant
    Filed: February 6, 2019
    Date of Patent: March 16, 2021
    Inventor: Iris Gruber-Beerfeltz
  • Watch dial
    Patent number: D915235
    Type: Grant
    Filed: February 6, 2019
    Date of Patent: April 6, 2021
    Inventor: Iris Gruber-Beerfeltz