Patents by Inventor Hendrik Groeneboer

Hendrik Groeneboer 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).

  • Electric connecting means
    Patent number: 4498727
    Abstract: Electric connecting means, such as connectors having a contact element which is coated with a considerably thinner (0.1-2 .mu.m) noble metal layer than is customary and which is coated with a paste-like mixture comprising hard, electrically conducting particles.
    Type: Grant
    Filed: March 6, 1981
    Date of Patent: February 12, 1985
    Assignee: U.S. Philips Corporation
    Inventors: Anthony Steinmetz, Jacobus J. Arnold, Fransiscus G. C. Verweg, Hendrik Groeneboer