LexDanaLexDanabeta
Inventor

Walter C. Zukowski

Inventor
Wilmington, DE, US

Overview

3→
Patents
1993–2011
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

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

C09Bprimary
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments50%
H05KPrinted circuits25%
Y10TTechnical subjects covered by former us classification25%
PatentTitleYear
7,914,367'Front/rear removable fan mounting method and apparatus'20115,281,269'Aqueous process for preparation of modified beta quinacridone'19945,229,515'Process for preparing modified .beta.-quinacridone pigment'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–1994Patents assigned to CIBA GEIGY CORP (2)· patent assignee history
1993–1994Based in Wilmington, DE, US· patent location history
2011Patents assigned to ROCKWELL AUTOMATION TECH INC (1)· patent assignee history
2011Based in Greendale, WI, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CIBA GEIGY CORP21993–1994
ROCKWELL AUTOMATION TECH INC12011
Locations
LocationPatentsSpan
Wilmington, Delaware, US21993–1994
Greendale, WI, US12011