Education and demonstration
Means for demonstrating apparatus, product, or surface...
Chalkboard or equivalent means having easily erasable surface
Inventor
active
No associations
LandOfFree
Seiji Umehara does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Seiji Umehara, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Seiji Umehara will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-1847591