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Inventor

John Charles Petrus

Inventor
Stanfordville, NY, US

Overview

4→
Patents
2005–2009
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.

G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties33%
H01JElectric discharge tubes or discharge lamps17%
H10DInorganic electric semiconductor devices17%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1017%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1017%
PatentTitleYear
7,541,277'Stress relaxation, selective nitride phase removal'20097,105,391'Planar pedestal multi gate device'20067,008,803'Method of reworking structures incorporating low-k dielectric materials'20066,881,955'Metrology process for enhancing image contrast'2005

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2005–2009Patents assigned to IBM (4)· patent assignee history
2005Based in Standfordville, NY, US· patent location history
2006–2009Based in Stanfordville, NY, US· patent location history
2006Based in Lagrangeville, NY, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IBM42005–2009
Locations
LocationPatentsSpan
Stanfordville, New York, US22006–2009
Lagrangeville, New York, US12006
Standfordville, New York, US12005