Inventor

Robert P. Westerfield, Jr.

Inventor

Montgomery, NY, US

Overview

1991–2006

Patent span

Electricity

Primary field (CPC H)

Patents· 22 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 h1027%

Y10TTechnical subjects covered by former us classification25%

H02NElectric machines not otherwise provided for16%

H05KPrinted circuits11%

B23CMilling5%

B26FPerforating5%

H01JElectric discharge tubes or discharge lamps5%

B26DCutting3%

B24BMachines, devices, or processes for grinding or polishing2%

C25DProcesses for the electrolytic or electrophoretic production of coatings2%

PatentTitleYear

7,118,385'Apparatus for implementing a self-centering land grid array socket'2006 6,389,940'Gang punch tool assembly'2002 RE037580'Guard ring electrostatic chuck'2002 RE037541'Electrostatic chuck with reference electrode'2002 6,314,852'Gang punch tool assembly'2001 6,251,251'Anode design for semiconductor deposition'2001 6,223,636'Low-cost high-density gang punch'2001 6,142,726'Automated chamfering method'2000 5,984,608'Automated chamfering apparatus and method'1999 5,895,312'Apparatus for removing surface irregularities from a flat workpiece'1999 5,752,797'Automated chamfering apparatus and method'1998 5,612,851'Guard ring electrostatic chuck'1997 5,561,585'Electrostatic chuck with reference electrode'1996 5,535,507'Method of making electrostatic chuck with oxide insulator'1996 5,521,790'Electrostatic chuck having relatively thick and thin areas and means for uniformly cooling said thick and thin areas during chuck anodization'1996 5,467,249'Electrostatic chuck with reference electrode'1995 5,463,525'Guard ring electrostatic chuck'1995 5,452,510'Method of making an electrostatic chuck with oxide insulator'1995 5,191,506'Ceramic electrostatic chuck'1993 5,155,652'Temperature cycling ceramic electrostatic chuck'1992 5,099,571'Method for fabricating a split-ring electrostatic chuck'1992 5,055,964'Electrostatic chuck having tapered electrodes'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2006Patents assigned to IBM (20)· patent assignee history

1991–2006Based in Montgomery, NY, US· patent location history

2002Patents assigned to DORSEY GAGE CO INC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
IBM	20	1991–2006
DORSEY GAGE CO INC	2	2002

Locations

Location	Patents	Span
Montgomery, New York, US	22	1991–2006