Inventor

Eugene W. Wittkopf

Inventor
Suamico, WI, US

Overview

12→
Patents
1981–2002
Patent span
Performing operations
Primary field (CPC B)

Patents· 12 as inventor

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

B29Cprimary
B29CShaping or joining of plastics13%
B41FPrinting machines or presses13%
Y10TTechnical subjects covered by former us classification13%
B26DCutting10%
B41PIndexing scheme relating to printing, lining machines, typewriters, and to stamps6%
B01DSeparation3%
B03BSeparating solid materials using liquids or using pneumatic tables or jigs3%
B07BSeparating solids from solids by sieving, screening, sifting or by using gas currents3%
B21BRolling of metal3%
B23DPlaning3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1986Patents assigned to MAGNA GRAPHICS CORP (6)· patent assignee history
1981–2002Based in Suamico, WI, US· patent location history
1990–2002Patents assigned to INTEGRATED DESIGN CORP (6)· patent assignee history
1990–1992Based in Little Suamico, WI, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
INTEGRATED DESIGN CORP61990–2002
MAGNA GRAPHICS CORP61981–1986
Locations
LocationPatentsSpan
Suamico, WI, US91981–2002
Little Suamico, WI, US31990–1992