my name is Efrain Moncada, adept to electronics,
my brother and I have
created several prototypes of capacitive pencils with a quicker development and add new positions to write ...
described in the video.
The prototypes were developed with affordable and cheap materials.
The aim is to get businesses interested in the patent.
In advancethankyou for receiving our document, we said goodbye and we will wait for your opinion.
Respectfully, Lic. Efraín Moncada Arq. Fidel Moncada.