Patents by Inventor Michael Coyer

Michael Coyer 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: 20060078955
    Abstract: The present invention discloses methods and kits for retrieving a cannabinoid from an oral fluid collection device having adsorbed the cannabinoid and to prepare an oral fluid specimen for the determination of ?9-tetrahydrocaninabinol (?9-THC) concentration qualitatively or quantitatively by an enzyme immunoassay. The methods and kits are particularly useful in preserving the ?9-THC quantitatively from oral fluid samples during the process of collection and preparation.
    Type: Application
    Filed: October 13, 2004
    Publication date: April 13, 2006
    Applicant: Lin-Zhi International
    Inventors: Cheng-I Lin, Tom Chia, Marie Lin, Michael Coyer