Patents by Inventor Willem Gerrit Roskam

Willem Gerrit Roskam 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).

  • Apparatus for preparative electrophoresis
    Patent number: 4111785
    Abstract: Electrophoresis apparatus comprises a tubular member for receiving a column of gel, and a plate-form body of solid but porous material, such as glass fit, defining an elution chamber at one end of the tubular member. An inlet duct delivers elution buffer into the plate-form body by way of one of the main faces thereof.
    Type: Grant
    Filed: May 16, 1977
    Date of Patent: September 5, 1978
    Inventor: Willem Gerrit Roskam