Inventor
John Koval
Inventor
Santa Ana, CA, US
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Rprimary
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers50%
B64CAeroplanes17%
B64DEquipment for fitting in or to aircraft17%
D21HPulp compositions17%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992Based in Baptistown, NJ, US· patent location history
2004–2009Patents assigned to MULTI SERVICE CORP (3)· patent assignee history
2004–2009Based in Santa Ana, CA, US· patent location history
2014Patents assigned to BOEING CO (1)· patent assignee history
2014Patents assigned to GLEASON MICHAEL P (1)· patent assignee history
2014Patents assigned to JOHNSON ROBERT R (1)· patent assignee history
2014Patents assigned to JOHNSTON SCOTT R (1)· patent assignee history
2014Based in St. Louis, MO, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MULTI SERVICE CORP | 3 | 2004–2009 |
| BOEING CO | 1 | 2014 |
| GLEASON MICHAEL P | 1 | 2014 |
| JOHNSON ROBERT R | 1 | 2014 |
| JOHNSTON SCOTT R | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Santa Ana, California, US | 3 | 2004–2009 |
| St. Louis, MO, US | 1 | 2014 |
| Baptistown, New Jersey, US | 1 | 1992 |