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Inventor

David R. Walbridge

Inventor
White Bear Lake, MN, US

Overview

1→
Patents
1989
Patent span
Physics
Primary field (CPC G)

Patents· 1 as inventor

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

G03Fprimary
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices50%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests50%
PatentTitleYear
4,885,225'Color proof with non-blocking thermal adhesive layer with particulate polymer beads'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989Patents assigned to MINNESOTA MINING & MFG (1)· patent assignee history
1989Based in White Bear Lake, MN, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MINNESOTA MINING & MFG11989
Locations
LocationPatentsSpan
White Bear Lake, Minnesota, US11989