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Inventor

James M. Drumm

Inventor
Crystal Lake, IL, US

Overview

4→
Patents
1991–2001
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.

H10Wprimary
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1043%
B01DSeparation14%
H05KPrinted circuits14%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1014%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
PatentTitleYear
6,267,894'Method for efficient filtration of chemical baths'20015,646,068'Solder bump transfer for microelectronics packaging and assembly'19975,327,327'Three dimensional assembly of integrated circuit chips'19945,025,306'Assembly of semiconductor chips'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2001Patents assigned to TEXAS INSTRUMENTS INC (4)· patent assignee history
1991Based in Dallas, TX, US· patent location history
1994–1997Based in Crystal Lake, IL, US· patent location history
2001Based in Garland, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TEXAS INSTRUMENTS INC41991–2001
Locations
LocationPatentsSpan
Crystal Lake, Illinois, US21994–1997
Garland, Texas, US12001
Dallas, Texas, US11991