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Inventor

Lawrence Hanebrink

Inventor
Chesterfield, MO, US

Overview

2→
Patents
1996–2008
Patent span
Physics
Primary field (CPC G)

Patents· 2 as inventor

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

A61Bprimary
A61BDiagnosis25%
G01NInvestigating or analysing materials by determining their chemical or physical properties25%
G06VImage or video recognition or understanding25%
H04MTelephonic communication25%
PatentTitleYear
7,417,727'Method and apparatus for standoff detection of liveness'20085,490,054'Ringing generator and method for converting DC to AC having continuously adjustable amplitude'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996Patents assigned to FERRO MAGNETICS CORP (1)· patent assignee history
1996Based in St. Louis, MO, US· patent location history
2008Patents assigned to CLEAN EARTH TECH LLC (1)· patent assignee history
2008Based in Chesterfield, MO, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CLEAN EARTH TECH LLC12008
FERRO MAGNETICS CORP11996
Locations
LocationPatentsSpan
Chesterfield, MO, US12008
St. Louis, MO, US11996