LexDanaLexDanabeta
Inventor

Spencer W. Chamberlain

Inventor
Sterling Heights, MI, US

Overview

4→
Patents
2015–2018
Patent span
Performing operations
Primary field (CPC B)

Patents· 4 as inventor

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

G01Cprimary
G01CMeasuring distances, levels or bearings12%
A47LDomestic washing or cleaning8%
B08BCleaning in general8%
B60NSeats specially adapted for vehicles8%
B60QArrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general8%
B60SServicing, cleaning, repairing, supporting, lifting, or manoeuvring of vehicles, not otherwise provided for8%
G05BControl or regulating systems in general8%
G07CTime or attendance registers8%
H04LTransmission of digital information, e.g. telegraphic communication8%
H04WWireless communication networks8%
PatentTitleYear
10,040,432Systems and methods for promoting cleanliness of a vehicle20189,855,926'Systems and methods for promoting cleanliness of a vehicle'20189,238,553'Powered curb ramp tugger lift'20169,201,926'Integrated travel services'2015

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2015–2016Patents assigned to GM GLOBAL TECH OPERATIONS INC (2)· patent assignee history
2015–2018Based in Sterling Heights, MI, US· patent location history
2018Patents assigned to GM GLOBAL TECH OPERATIONS LLC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GM GLOBAL TECH OPERATIONS INC22015–2016
GM GLOBAL TECH OPERATIONS LLC22018
Locations
LocationPatentsSpan
Sterling Heights, MI, US42015–2018