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Inventor

David A. Holt

Inventor
Rochester Hills, MI, US

Overview

8→
Patents
2011–2019
Patent span
Electricity
Primary field (CPC H)

Patents· 8 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Wprimary
H04WWireless communication networks47%
H04MTelephonic communication33%
H04LTransmission of digital information, e.g. telegraphic communication13%
H04QSelecting7%
PatentTitleYear
10,178,709Remotely triggering calls to a PSAP20199,055,025'Cellular device identifier provisioning verification'20158,565,837'Hands free calling system for telematics users using a network-based pre-pay system'20138,559,910'OTA initiation method for telematics system in 2G GSM/3G WCDMA network'20138,442,528'Automating dial attempts to a telematics or cellular device'20138,417,212'Methods for providing emergency services to a mobile vehicle'20138,260,345'Method for changing the mobile number of a wireless communications device'20128,041,384'Assigning a local access telephone number to a wireless mobile communication device'2011

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2011–2019Patents assigned to GEN MOTORS LLC (8)· patent assignee history
2011Based in Berkley, MI, US· patent location history
2012–2013Patents assigned to CHMIELEWSKI LAURA R (2)· patent assignee history
2012–2019Based in Rochester Hills, MI, US· patent location history
2013Patents assigned to HOLT DAVID A (4)· patent assignee history
2013Patents assigned to CEPURAN LAWRENCE D (3)· patent assignee history
2013Patents assigned to MADHAVAN SETHU K (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GEN MOTORS LLC82011–2019
HOLT DAVID Aself42013
CEPURAN LAWRENCE D32013
CHMIELEWSKI LAURA R22012–2013
MADHAVAN SETHU K22013
Locations
LocationPatentsSpan
Rochester Hills, MI, US72012–2019
Berkley, MI, US12011