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Inventor

Robert I. Altkorn

Inventor
Evanston, IL, US

Overview

3→
Patents
1990–2012
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.

H01Pprimary
H01PWaveguides40%
C25DProcesses for the electrolytic or electrophoretic production of coatings20%
G02BOptical elements, systems or apparatus20%
G06FElectric digital data processing20%
PatentTitleYear
8,276,091'Haptic response system and method of use'20125,030,329'Method of forming a helical waveguide using a deposit screen'19914,909,582'Method and apparatus for removing a helical waveguide from a mandrel'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–1991Patents assigned to AIR LIQUIDE (2)· patent assignee history
1990–1991Based in Evanston, IL, US· patent location history
2012Patents assigned to ALTKORN ROBERT (1)· patent assignee history
2012Patents assigned to CHEN XIAO (1)· patent assignee history
2012Patents assigned to MILKOVICH SCOTT (1)· patent assignee history
2012Patents assigned to OWENS JOHN (1)· patent assignee history
2012Based in Chicago, IL, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AIR LIQUIDE21990–1991
ALTKORN ROBERTself12012
CHEN XIAO12012
MILKOVICH SCOTT12012
OWENS JOHN12012
Locations
LocationPatentsSpan
Evanston, Illinois, US21990–1991
Chicago, Illinois, US12012