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Inventor

James D. Luedtke

Inventor
St. Paul, MN, US

Overview

2→
Patents
1994–2000
Patent span
Performing operations
Primary field (CPC B)

Patents· 2 as inventor

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

B01Dprimary
B01DSeparation33%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry33%
G01NInvestigating or analysing materials by determining their chemical or physical properties33%
PatentTitleYear
RE036811'Solid phase extraction medium'20005,279,742'Solid phase extraction medium'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–2000Patents assigned to MINNESOTA MINING & MFG (2)· patent assignee history
1994–2000Based in St. Paul, MN, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MINNESOTA MINING & MFG21994–2000
Locations
LocationPatentsSpan
St. Paul, Minnesota, US21994–2000