Patents by Inventor Marc D. Doubleday

Marc D. Doubleday 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).

  • Multi-functional, personal flotation device
    Patent number: 7927162
    Abstract: A multi-functional, personal flotation device provides a life preserver for a person in combination with an integrated tethering system to aid in retrieval of the wearer. The integrated tethering system may be used alone or in conjunction with an integrated signaling device. The integrated signaling device extends when the life preserver is use. The integrated tethering system facilitates the recovery of a person wearing the multi-functional, personal flotation device. The integrated signaling device or the integrated tethering system may also include a sound or a visual alarm.
    Type: Grant
    Filed: May 1, 2009
    Date of Patent: April 19, 2011
    Inventor: Marc D. Doubleday
  • Method and Apparatus for Preparing an Acellular Red Blood Cell Substitute
    Publication number: 20100197566
    Abstract: A process is disclosed for the preparation of an essentially tetramer-free, substantially stroma-free, polymerized, pyridoxylated hemoglobin. Also disclosed is an essentially tetramer-free, substantially stroma-free, polymerized, pyridoxylated hemoglobin product capable of being infused into human patients in an amount of up to about 5 liters.
    Type: Application
    Filed: April 20, 2009
    Publication date: August 5, 2010
    Inventors: Richard E. DeWoskin, Marc D. Doubleday
  • Method and apparatus for preparing an acellular red blood cell substitute
    Patent number: 7521417
    Abstract: A process is disclosed for the preparation of an essentially tetramer-free, substantially stroma-free, polymerized, pyridoxylated hemoglobin. Also disclosed is an essentially tetramer-free, substantially stroma-free, polymerized, pyridoxylated hemoglobin product capable of being infused into human patients in an amount of up to about 5 liters.
    Type: Grant
    Filed: January 10, 2008
    Date of Patent: April 21, 2009
    Assignee: Northfield Laboratories, Inc.
    Inventors: Richard E. DeWoskin, Marc D. Doubleday
  • PROTECTIVE GEL FOR AN ELECTRICAL CONNECTION
    Publication number: 20080286471
    Abstract: An electrical connection for a trailer hitch on a vehicle joins a trailer electrical connection. These electrical connectors join together to carry the power to illuminate the trailer lights on the trailer and carry out other functions. Both connections are protected by a protective gel for the electrical connections having a thickening agent, a cleaning agent, a chelating agent, a reducing agent, anti-corrosive agent, a buffer, and an antifreeze agent.
    Type: Application
    Filed: May 18, 2007
    Publication date: November 20, 2008
    Inventor: Marc D. Doubleday
  • Method for treating patients with massive blood loss
    Publication number: 20040067876
    Abstract: Methods for treating a mammal suffering from massive blood loss comprising administering to the mammal a polymerized hemoglobin solution.
    Type: Application
    Filed: October 3, 2003
    Publication date: April 8, 2004
    Applicant: Northfield Laboratories, Inc.
    Inventors: Steven A. Gould, Richard E. DeWoskin, Marc D. Doubleday, George A. Hides
  • Method and apparatus for preparing an acellular read blood cell substitute
    Publication number: 20030191050
    Abstract: A process is disclosed for the preparation of an essentially tetramer-free, substantially stroma-free, polymerized, pyridoxylated hemoglobin. Also disclosed is an essentially tetramer-free, substantially stroma-free, polymerized, pyridoxylated hemoglobin product capable of being infused into human patients in an amount of up to about 5 liters.
    Type: Application
    Filed: October 17, 2002
    Publication date: October 9, 2003
    Applicant: Northfield Laboratories, Inc.
    Inventors: Richard E. DeWoskin, Marc D. Doubleday
  • Method and apparatus for preparing an acellular red blood cell substitute
    Patent number: 6498141
    Abstract: A process is disclosed for the preparation of an essentially tetramer-free, substantially stroma-free, polymerized, pyridoxylated hemoglobin. Also disclosed is an essentially tetramer-free, substantially stroma-free, polymerized, pyridoxylated hemoglobin product capable of being infused into human patients in an amount of up to about 5 liters.
    Type: Grant
    Filed: May 10, 1999
    Date of Patent: December 24, 2002
    Assignee: Northfield Laboratories, Inc.
    Inventors: Richard E. DeWoskin, Marc D. Doubleday
  • METHOD AND APPARATUS FOR PREPARING AN ACELLULAR RED BLOOD CELL SUBSTITUTE
    Publication number: 20020025343
    Abstract: A process is disclosed for the preparation of an essentially tetramerfree, substantially stromafree, polymerized, pyridoxylated hemoglobin. Also disclosed is an essentially tetramerfree, substantially stromafree, polymerized, pyridoxylated hemoglobin product capable of being infused into human patients in an amount of up to about 5 liters.
    Type: Application
    Filed: May 10, 1999
    Publication date: February 28, 2002
    Inventors: RICHARD E. DE WOSKIN, MARC D. DOUBLEDAY