Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Business
Class Information
Number: 434/425
Name: Education and demonstration > Means for demonstrating apparatus, product, or surface configuration, or for displaying education material or student's work > Chalkboard or equivalent means having easily erasable surface > Artificial slate formed of plural constituents
Description: Subject matter wherein the panel is man-made and includes multiple materials.










Query failed!