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Inventor

David L. Springer

Inventor
Pittsburgh, PA, US

Overview

4→
Patents
2009–2014
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.

H10Pprimary
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1080%
B81CProcesses or apparatus specially adapted for the manufacture or treatment of microstructural devices or systems20%
PatentTitleYear
8,703,003'Selective etching of semiconductor substrate(s) that preserves underlying dielectric layers'20148,377,253'Pulsed etching cooling'20138,257,602'Pulsed-continuous etching'20127,638,435'Pulsed etching cooling'2009

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2009–2013Patents assigned to XACTIX INC (3)· patent assignee history
2009–2014Based in Pittsburgh, PA, US· patent location history
2012–2014Patents assigned to LEBOUITZ KYLE S (3)· patent assignee history
2012–2014Patents assigned to SPRINGER DAVID L (3)· patent assignee history
2014Patents assigned to NEUMANN JR JOHN J (1)· patent assignee history
2014Patents assigned to SPTS TECHNOLOGIES LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
LEBOUITZ KYLE S32012–2014
SPRINGER DAVID Lself32012–2014
XACTIX INC32009–2013
NEUMANN JR JOHN J12014
SPTS TECHNOLOGIES LTD12014
Locations
LocationPatentsSpan
Pittsburgh, Pennsylvania, US42009–2014