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Inventor

Hans P. Weihe

Inventor
Frankfurt am Main, DE

Overview

3→
Patents
1988–1994
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

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

G03Bprimary
G03BApparatus or arrangements for taking photographs or for projecting or viewing them40%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices40%
G03DApparatus for processing exposed photographic materials20%
PatentTitleYear
5,365,629'Apparatus for washing out flexographic printing plates'19944,922,078'Process for operating an exposure apparatus and exposure apparatus for conducting this process'19904,734,926'X-ray film cassette for daylight system'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–1994Patents assigned to DU PONT (3)· patent assignee history
1988–1994Based in Frankfurt am Main, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DU PONT31988–1994
Locations
LocationPatentsSpan
Frankfurt am Main, DE31988–1994