Inventor

John H. Winstead

Inventor
Sunnyvale, CA, US

Overview

4→
Patents
2008–2012
Patent span
Electricity
Primary field (CPC H)

Patents· 4 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 transducers60%
G01NInvestigating or analysing materials by determining their chemical or physical properties20%
Y10TTechnical subjects covered by former us classification20%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2008–2011Patents assigned to EARLENS CORP (2)· patent assignee history
2008–2011Based in Sunnyvale, CA, US· patent location history
2011Based in Indianapolis, IN, US· patent location history
2012Patents assigned to FAY JONATHAN P (1)· patent assignee history
2012Patents assigned to PERKINS RODNEY C (1)· patent assignee history
2012Patents assigned to PURIA SUNIL (1)· patent assignee history
2012Patents assigned to RUCKER PAUL (1)· patent assignee history
2012Based in Bend, OR, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
EARLENS CORP22008–2011
FAY JONATHAN P12012
PERKINS RODNEY C12012
PURIA SUNIL12012
RUCKER PAUL12012
Locations
LocationPatentsSpan
Sunnyvale, California, US22008–2011
Bend, OR, US12012
Indianapolis, IN, US12011