Patents by Inventor Chu-Bo Lang

Chu-Bo Lang 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).

  • REFILLABLE SPRAYER
    Publication number: 20100320286
    Abstract: A refillable sprayer has a can, a spray nozzle, a gas filling valve and a release valve. The can is hollow and has a top casing and a bottom casing. The bottom casing is combined detachably with the top casing. The spray nozzle is mounted through the can. The gas filling valve is mounted on the can.
    Type: Application
    Filed: June 19, 2009
    Publication date: December 23, 2010
    Inventor: Chu-Bo Lang