Patents by Inventor Ralph E. Hannah

Ralph E. Hannah 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: 4998915
    Abstract: A hand-held aspirating device comprising a main housing having a handle and a barrel, said barrel having a front end and a rear portion, said handle having a lower end and an upper end communicating with said rear portion of said barrel; actuating means extending from said main housing beneath said barrel, means operatively associated with said actuating means to normally maintain said actuating means in an extended position, said actuating means being actuable in a direction generally parallel to said barrel to move said actuating means rearwardly toward said handle; suction means including a suction chamber disposed within said housing and responsive to the actuation of said actuating means for creating a suction within said suction chamber; a container means for receiving aspirate, said container means being removably connected to said handle; a first conduit within said housing, said first conduit having two ends, one of said ends normally being in fluid-flow communication with said container means and th
    Type: Grant
    Filed: February 1, 1990
    Date of Patent: March 12, 1991
    Assignee: Unimed, Inc.
    Inventor: Ralph E. Hannah