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Inventor

Karl Osterlund

Inventor
San Jose, CA, US

Overview

4→
Patents
1991–2020
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.

H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication50%
G06FElectric digital data processing25%
H04MTelephonic communication25%
PatentTitleYear
10,771,396Communications network failure detection and remediation20205,548,614'Method and apparatus for interfacing between a twisted pair and an intelligent cell'19965,249,270'Development system protocol'19935,033,062'Digital modem'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991Patents assigned to MORROW STEPHEN E (1)· patent assignee history
1991Patents assigned to OSTERLUND KARL F (1)· patent assignee history
1991Patents assigned to ROSEN LAWRENCE E (1)· patent assignee history
1991–2020Based in San Jose, CA, US· patent location history
1993–1996Patents assigned to ECHELON CORP (2)· patent assignee history
2020Patents assigned to OOMA INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ECHELON CORP21993–1996
MORROW STEPHEN E11991
OOMA INC12020
OSTERLUND KARL Fself11991
ROSEN LAWRENCE E11991
Locations
LocationPatentsSpan
San Jose, California, US41991–2020