Patents by Inventor Mark R. Hellmich

Mark R. Hellmich 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).

  • Eucaryotic NAD cyclases
    Patent number: 5831074
    Abstract: Eucaryotic NAD cyclases able to cause production of cyclic adenosine diphosphate ribose from nicotinamide adenine dinucleotide.
    Type: Grant
    Filed: October 31, 1994
    Date of Patent: November 3, 1998
    Inventors: Felix Strumwasser, Mark R. Hellmich, David L. Glick
  • Eucaryotic NAD cyclases
    Patent number: 5393667
    Abstract: Eucaryotic NAD cyclases able to cause production of cyclic adenosine diphosphate ribose from nicotinamide adenine dinucleotide.
    Type: Grant
    Filed: February 22, 1993
    Date of Patent: February 28, 1995
    Inventors: Felix Strumwasser, Mark R. Hellmich
  • Eucaryotic NAD cyclases
    Patent number: 5202426
    Abstract: Eucaryotic NAD cyclases able to cause production of cyclic adenosine diphosphate ribose from nicotinamide adenine dinucleotide.
    Type: Grant
    Filed: December 17, 1990
    Date of Patent: April 13, 1993
    Assignee: Marine Biological Laboratory
    Inventors: Felix Strumwasser, Mark R. Hellmich, David L. Glick