Patents by Inventor Jan E. Smith

Jan E. Smith 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).

  • Patent number: 5298335
    Abstract: A coating for paper comprising water, pigments, binder and poly(ethylene oxide). The binder comprising about 1 to 30 percent by weight of the dry weight of the pigments and the poly(ethylene oxide) comprising about 0.001 to 10 percent by weight of the dry weight of the pigments. The coating has a very low Brookfield viscosity. The poly(ethylene oxide) coating provides superior gloss and smoothness relative to conventional paper coatings and may be applied to the paper in higher coat weights. A process for using the poly(ethylene oxide) coating to make improved paper is also disclosed.
    Type: Grant
    Filed: August 28, 1992
    Date of Patent: March 29, 1994
    Assignee: P. H. Glatfelter Company
    Inventors: W. Michael Reed, Jan E. Smith
  • Patent number: 4566449
    Abstract: A positioner for holding and supporting an infant in either a prone or supine position consisting of a wedge having a first plane at a given angle of at least 30 degrees that is contiguous with a second plane having an angle that is less than the angle of the first plane. A bifurcated U-shaped member is located over the first plane and the extending tapered arms of the bifurcated U-shaped member contact both portions of the first plane and the second plane thereby preventing movement of the infant in a vertical direction or in a lateral direction while at the same time allowing the infant to move in a safe and unrestrained manner.
    Type: Grant
    Filed: October 31, 1983
    Date of Patent: January 28, 1986
    Inventor: Jan E. Smith