John C. Werth 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).
Abstract: An air operated game call includes a tone board, a reed and a tubular housing having an interior surface. The interior surface defines an air channel sized for housing the tone board and the reed, and includes at least one portion with transversely extending corrugations.
Abstract: An air operated game call includes a tone board, a reed and a tubular housing having an interior surface. The interior surface defines an air channel sized for housing the tone board and the reed, and includes at least one portion with transversely extending corrugations.
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