Patents by Inventor Fred Whitehead

Fred Whitehead 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).

  • Calendar or roll assembly
    Patent number: 4596523
    Abstract: A calendar assembly for making a substantially uniform thickness web in large widths with rolls having adjustable axis. The upper roll has an axis adjustable in a plane which is parallel to but offset from a plane in which the lower roll is adjustable. The axis of a third or intermediate roll in the stack is transversely adjustable between the upper and lower rolls.
    Type: Grant
    Filed: July 1, 1985
    Date of Patent: June 24, 1986
    Inventor: Fred Whitehead