Air Passages Defined By Spacing Projections Of Sheets Patents and Patent Applications (Class 165/DIG376) - Justia Patents Search

Air Passages Defined By Spacing Projections Of Sheets Patents (Class 165/DIG376)

Digests

Spacing projections formed by folded sheet portions (Class 165/DIG377)

Including intermediate sheet supporting opposed spacing projections (Class 165/DIG378)

There are no patents to show for this class.