LexDanaLexDanabeta
Inventor

Heinrich Janke

Inventor
Braunfels, DE

Overview

10→
Patents
1981–1992
Patent span
LOC
Primary field

Patents· 10 as inventor

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

LOCD1primary
LOCD180%
G02BOptical elements, systems or apparatus20%
PatentTitleYear
D0332107'Pair of binoculars'1992D0332106'Pair of binoculars'1992D0292412'Binocular'1987D0287369'Binocular'1986D0276351'Inverted image microscope'1984D0272362'Binocular'1984D0272361'Binocular'1984D0267884'Mirror reflex camera'1983D0263057'Microscope'19824,283,111'Microscope stand with protected turret'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1987Patents assigned to LEITZ ERNST GMBH (8)· patent assignee history
1981–1992Based in Braunfels, DE· patent location history
1982Based in Braunfeld, DE· patent location history
1992Patents assigned to LEICA CAMERA GMBH (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
LEITZ ERNST GMBH81981–1987
LEICA CAMERA GMBH21992
Locations
LocationPatentsSpan
Braunfels, DE91981–1992
Braunfeld, DE11982