Challenge Listing

If you think this idea disclosed in this listing is NOT in the public domain, please tell us why and we will determine if the listing should be removed from our site, or a disclaimer needs to be added.

Listing to be Challenged:

Methods and apparatus to prevent colds, influenzaes, tuberculosis and opportunistic infections of the human respiratory system

US7150888B1

October 31, 1995

Thanks for sharing!