Pen specific for erasable media usage
- 专利权人:
- Bryan J. Roof
- 发明人:
- Bryan J. Roof,Anthony S. Condello
- 申请号：
- US12573478
- 公开号：
- US08350239B2
- 申请日:
- 2009.10.05
- 申请国别(地区):
- US
- 年份:
- 2013
- 代理人:
- 摘要：
- Exemplary embodiments provide materials and methods for a pen that can include a writing end for writing an image on an erasable medium and an erasing end for locally erasing an image from the erasable medium.
- 来源网站：
- 中国工程科技知识中心
相关发明人
相关专利
- 3D PRINTER
- COMPOSITE PLANTING POT
- Writing pen, has writing point, inhaling substance, and opening that is utilized for inhalation of substance, where opening is placed at end opposite to writing point and pen is arranged with inhalation and non-inhalation configurations
- PEN INJECTOR APPARATUS
- PEN INJECTOR APPARATUS
