Inventor
Donald N. Black
Inventor
Cumming, GA, US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Qprimary
H01QAntennas, i.e. radio aerials75%
G02BOptical elements, systems or apparatus25%
PatentTitleYear
8,665,525'Shaped gradient lens'20148,351,127'Shaped gradient lens'20137,876,280'Frequency control of electrical length for bicone antennas'20117,538,737'High impedance bicone antenna'20097,525,501'Bicone pattern shaping device'20096,396,448'Scanning directional antenna with lens and reflector assembly'2002Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002–2014Patents assigned to EMS TECHNOLOGIES INC (6)· patent assignee history
2002Based in Duluth, GA, US· patent location history
2009–2014Based in Cumming, GA, US· patent location history
2013Patents assigned to BEAFORE JOHN L (1)· patent assignee history
2013Patents assigned to BLACK JR DONALD N (1)· patent assignee history
2013Patents assigned to HASLAM JOHN (1)· patent assignee history
2013Patents assigned to RUIZ ENRIQUE JESUS (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| EMS TECHNOLOGIES INC | 6 | 2002–2014 |
| BEAFORE JOHN L | 1 | 2013 |
| BLACK JR DONALD Nself | 1 | 2013 |
| HASLAM JOHN | 1 | 2013 |
| RUIZ ENRIQUE JESUS | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Cumming, Georgia, US | 5 | 2009–2014 |
| Duluth, Georgia, US | 1 | 2002 |