Inventor
Leo D. Parsons
Inventor
Chester Springs, PA, US
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Mprimary
H04MTelephonic communication40%
A47BTables20%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein10%
G06KGraphical data reading10%
G06TImage data processing or generation, in general10%
G08BSignalling systems, e.g. personal calling systems10%
PatentTitleYear
10,646,037Apparatus and method for simultaneously testing a plurality of mobile devices202010,188,207Apparatus and method for simultaneously testing a plurality of mobile devices20199,805,458'Method and system for detecting defective pixels and screen imperfections of a mobile device'20175,029,290'Emergency alert system'19914,741,017'Apparatus and method for identifying and analyzing telephone channel units, commands and responses'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–2020Patents assigned to COMMUNICATIONS TEST DESIGN INC (5)· patent assignee history
1988–2020Based in Chester Springs, PA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| COMMUNICATIONS TEST DESIGN INC | 5 | 1988–2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Chester Springs, Pennsylvania, US | 5 | 1988–2020 |