Patents by Inventor Henning Schumann

Henning Schumann 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).

  • Plastic hairdressing comb
    Patent number: 4520831
    Abstract: In order to neutralize the electrostatic charging of the hair which occurs where a plastic comb is used, the comb is made up of at least one section which negatively charges the hair during combing and at least one section which positively charges the hair during combing.
    Type: Grant
    Filed: March 16, 1984
    Date of Patent: June 4, 1985
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Henning Schumann, Peter Busch, Detlef Fischer, Klaus Thiele