Inventor
Douglas Karl Johnson
Inventor
Cedar Park, TX, US
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Bprimary
A61BDiagnosis40%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes20%
G16HHealthcare informatics, i.e. information and communication technology [ict] specially adapted for the handling or processing of medical or healthcare data20%
G16ZInformation and communication technology [ict] specially adapted for specific application fields, not otherwise provided for20%
PatentTitleYear
10,984,436System including point-of-sale (POS) terminal for redemption of a brand-based cannabis promotional offer based upon mobile device location and related methods20218,442,619'System and method for detecting errors in position tracking systems used for medical applications'20137,097,357'Method and system for improved correction of registration error in a fluoroscopic image'2006Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2006–2013Patents assigned to GEN ELECTRIC (2)· patent assignee history
2006Based in Seabrook, NH, US· patent location history
2013Patents assigned to CRAGER JOSEPH CASEY (1)· patent assignee history
2013Patents assigned to JOHNSON DOUGLAS KARL (1)· patent assignee history
2013Patents assigned to LI DUN ALEX (1)· patent assignee history
2013Based in Hampton, NH, US· patent location history
2021Patents assigned to INMAR CLEARING INC (1)· patent assignee history
2021Based in Cedar Park, TX, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GEN ELECTRIC | 2 | 2006–2013 |
| CRAGER JOSEPH CASEY | 1 | 2013 |
| INMAR CLEARING INC | 1 | 2021 |
| JOHNSON DOUGLAS KARLself | 1 | 2013 |
| LI DUN ALEX | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Cedar Park, Texas, US | 1 | 2021 |
| Hampton, NH, US | 1 | 2013 |
| Seabrook, NH, US | 1 | 2006 |