Inventor
Christopher Engelke
Inventor
Verona, WI, US
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Mprimary
H04MTelephonic communication32%
G10LSpeech analysis techniques or speech synthesis27%
H04WWireless communication networks23%
G09BEducational or demonstration appliances14%
G06FElectric digital data processing5%
PatentTitleYear
10,917,519Semiautomated relay method and apparatus202110,878,721Semiautomated relay method and apparatus202010,748,523Semiautomated relay method and apparatus202010,742,805Semiautomated relay method and apparatus202010,601,980Captioning system and method for the vision impaired202010,389,876Semiautomated relay method and apparatus20196,885,731'Captioned telephone with emergency access feature'2005Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2005Based in Madison, WI, US· patent location history
2019–2021Patents assigned to ULTRATEC INC (6)· patent assignee history
2019–2021Based in Verona, WI, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ULTRATEC INC | 6 | 2019–2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Verona, WI, US | 6 | 2019–2021 |
| Madison, WI, US | 1 | 2005 |