Inventor

John Koval

Inventor
Santa Ana, CA, US

Overview

5→
Patents
1992–2014
Patent span
Electricity
Primary field (CPC H)

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
AssigneePatentsSpan
MULTI SERVICE CORP32004–2009
BOEING CO12014
GLEASON MICHAEL P12014
JOHNSON ROBERT R12014
JOHNSTON SCOTT R12014
Locations
LocationPatentsSpan
Santa Ana, California, US32004–2009
St. Louis, MO, US12014
Baptistown, New Jersey, US11992