Patents by Inventor Wytse Bergsma

Wytse Bergsma 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).

  • Shaving apparatus
    Patent number: 4168570
    Abstract: A shaving apparatus comprises a shaving cap provided with a flange extending outwardly within a housing; a cutting member rotatable relative to the shaving cap and spring-urged into engagement therewith, such shaving cap being inwardly depressable against the spring; two diametrically opposite stops provided in the housing adjacent the flange; and a third stop provided in the housing also adjacent the flange, whereby the cap can be pivoted about the diametrically opposite stops.
    Type: Grant
    Filed: January 30, 1978
    Date of Patent: September 25, 1979
    Assignee: U.S. Philips Corporation
    Inventors: Eppe Bakker, Wytse Bergsma, Pieter Riemersma