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:

In order to enable a sealing material, and a sealing material in order to enable use of a mask having a sealing material

JP5033536B2

November 9, 1994

Thanks for sharing!