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:

Non-discharge-type air cleaner, non-discharge type air cleaning method, and, non-discharge type air filtering device

JP3509741B2

February 6, 2001

Thanks for sharing!