Patents by Inventor Kaloyan D Sotirov

Kaloyan D Sotirov 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).

  • Publication number: 20180324515
    Abstract: A set of over-the-ear headphones configured for receiving earpieces, the set of over-the-ear headphones in embodiments of the present invention may have one or more of the following features: (a) a first ear portion, (b) a second ear portion, (c) a headband spanning between the first ear portion and the second ear portion, (d) a first receptacle in the first ear portion for receiving a first earpiece, and (e) a second receptacle in the second ear portion for receiving a second earpiece, a first connector in the first receptacle in the first ear portion for connecting to a first corresponding connector in the first earpiece and a second connector in the second receptacle in the second ear portion for connecting to a second corresponding connector in the second ear piece.
    Type: Application
    Filed: April 5, 2018
    Publication date: November 8, 2018
    Applicant: BRAGI GmbH
    Inventors: Peter Vincent Boesen, Charles R. Quainoo, Kaloyan D Sotirov