Patents by Inventor Manuel Garfield Perkins

Manuel Garfield Perkins 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).

  • Destructible Luer lock syringe and method of destructing same
    Patent number: 4027669
    Abstract: A destructible hypodermic syringe with a segmented Luer lock sleeve surrounding a scored needle adapter. The individual segments of this sleeve have sufficient lateral stability to lock a needle on the adapter, and at least one segment can flex laterally in an outward direction so the adapter can be broken at its scored line.
    Type: Grant
    Filed: April 12, 1976
    Date of Patent: June 7, 1977
    Assignee: American Hospital Supply Corporation
    Inventors: Donald Leroy Johnston, Manuel Garfield Perkins, Lynn Zaugg Youngberg