Patents by Inventor Leonard N. Jenkins

Leonard N. Jenkins 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).

  • Wind-up lay-on-roll apparatus
    Patent number: 5190232
    Abstract: An apparatus for supporting a wind-up lay-on roll and, in particular, where the apparatus enables the wind-up lay-on roll to apply a substantially uniform force across a width of web material being wound into a roll on a turret assembly.
    Type: Grant
    Filed: November 13, 1990
    Date of Patent: March 2, 1993
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Noel C. Brandon, Leonard N. Jenkins