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Inventor

Michael J. Carpenter

Inventor
Rochester, MN, US

Overview

2→
Patents
2015
Patent span
Electricity
Primary field (CPC H)

Patents· 2 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%
H04KSecret communication25%
H04MTelephonic communication25%
PatentTitleYear
9,077,566'Caller ID callback authenticationi for voice over internet protocol (“VoIP”) deployments'20159,014,369'Voice-over internet protocol (VoIP) scrambling mechanism'2015

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2015Patents assigned to CARPENTER MICHAEL J (2)· patent assignee history
2015Patents assigned to IBM (2)· patent assignee history
2015Patents assigned to CAMPION NICHOLAS F (1)· patent assignee history
2015Patents assigned to CRAMER KEITH D (1)· patent assignee history
2015Based in Rochester, MN, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CARPENTER MICHAEL Jself22015
IBM22015
CAMPION NICHOLAS F12015
CRAMER KEITH D12015
Locations
LocationPatentsSpan
Rochester, Minnesota, US22015