Patents by Inventor Piotr WITKOWSKI

Piotr WITKOWSKI 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).

  • Publication number: 20180302368
    Abstract: Systems, methods, and software technology for provisioning end-points in a communication service with geographically relevant telephone numbers drawn from a data table that may be searched using partition keys derived from identifying characteristics of a location. In an implementation, the telephone numbers in the data table may be associated with partition keys related to their location. Then, when requests are received for available numbers in a particular location, the data table may be queried using the partition key associated with that location.
    Type: Application
    Filed: April 13, 2017
    Publication date: October 18, 2018
    Inventors: Helbert Fonseca Maich, Piotr Witkowski
  • Publication number: 20100196441
    Abstract: This invention provides method of making and using of a porous 3 dimensional cyclic RGD peptide-modified alginate scaffold that can be loaded with different cell types and/or growth factors for implantation at sites of tissue damage to promote tissue regeneration. The cyclic RGD peptide promotes vascular formation of the host tissue, cell binding and survival of seeded cells. Scaffolds with growth factors but without cells can also be implanted to create a vascular bed in which cells are transplanted at a later time point.
    Type: Application
    Filed: February 3, 2010
    Publication date: August 5, 2010
    Applicant: The Trustees of Columbia University in the City of New York
    Inventors: Hugo P. SONDERMEIJER, Piotr WITKOWSKI, Mark A. HARDY