The mark consists of the design of a glassblower in a side silhouette holding upwards a blowpipe blowing through a vacuum tube appearing at the end of the blowpipe, above the wording "TUBES.RS," with a horizontal line at the bottom.
The mark consists of the design of a glassblower in a side silhouette holding upwards a blowpipe blowing through a vacuum tube appearing at the end of the blowpipe, above the wording "TUBES.RS," with a horizontal line at the bottom.
The mark consists of the design of a glassblower in a side silhouette ...