Holverson; Erik A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Holverson; Erik A..The latest application filed is for "electrically conductive touch pen".
- Holverson; Erik A. - Hoffman Estates IL
| Patent | Date |
|---|---|
| Electrically conductive touch pen Grant 8,847,930 - Boyd , et al. September 30, 2 | 2014-09-30 |
| Electrically Conductive Touch Pen App 20130038579 - Boyd; Geoffrey Arthur Coleridge ; et al. | 2013-02-14 |
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