Patents by Inventor C. Perry Chu

C. Perry Chu 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: 20180296772
    Abstract: A self-anesthetizing needle system which includes preferably an opaque tubular member within which the hypodermic needle is positioned and also includes a chamber at the opposite end of the tubular member within which a sponge-like material is carried and which is saturated with a topical anesthetic such as ethyl chloride and includes a closure to provide an air-tight, water-tight seal within which the sponge-like material is contained until it is time for an injection to be given, at which point the closure member is removed and the sponge-like material is applied against the skin of a patient to whom an injection is to be administered to anesthetize the skin at the point where the injection is to be given after which the injection is then administered.
    Type: Application
    Filed: April 18, 2017
    Publication date: October 18, 2018
    Inventors: EMILY CHU, C. Perry Chu