Inventor
Donald P. Sengpiehl
Inventor
Round Hill, VA, US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication31%
G06FElectric digital data processing23%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes23%
H04WWireless communication networks23%
PatentTitleYear
10,708,257Systems and methods for using imaging to authenticate online users20209,923,885'Systems and methods for using imaging to authenticate online users'20189,130,929'Systems and methods for using imaging to authenticate online users'20157,383,339'Local proxy server for establishing device controls'2008Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2008Patents assigned to AOL LLC (1)· patent assignee history
2008–2020Based in Round Hill, VA, US· patent location history
2015Patents assigned to AOL INC (1)· patent assignee history
2018–2020Patents assigned to OATH INC (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| OATH INC | 2 | 2018–2020 |
| AOL INC | 1 | 2015 |
| AOL LLC | 1 | 2008 |
Locations
| Location | Patents | Span |
|---|---|---|
| Round Hill, Virginia, US | 4 | 2008–2020 |