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Inventor

Norman E. Gehrke

Inventor
Browton, MN, US

Overview

2→
Patents
1997
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.

B05Cprimary
B05CApparatus for applying fluent materials to surfaces, in general67%
G11BInformation storage based on relative movement between record carrier and transducer33%
PatentTitleYear
5,628,827'Non-recirculating, die supplied doctored roll coater with solvent addition'19975,620,514'Differential-speed gravure coating of magnetizable layers in the manufacture of magnetic recording media'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997Patents assigned to MINNESOTA MINING & MFG (2)· patent assignee history
1997Based in Browton, MN, US· patent location history
1997Based in Brownton, MN, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MINNESOTA MINING & MFG21997
Locations
LocationPatentsSpan
Browton, Minnesota, US11997
Brownton, Minnesota, US11997