Inventor

Waltraud Rosalie Unger

Inventor

Bergen, NJ, US

Overview

2→

Patents

1998–2000

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 2 as inventor

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

F21Vprimary

F21VFunctional features or details of lighting devices or systems thereof25%

F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to the form or the kind of the light sources or of the colour of the light emitted25%

G02BOptical elements, systems or apparatus25%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein25%

PatentTitleYear

6,164,789'Illumination sources and systems'2000 5,839,823'Back-coupled illumination system with light recycling'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998Patents assigned to ALLIED SIGNAL INC (1)· patent assignee history

1998Based in Glen Rock, NJ, US· patent location history

2000Patents assigned to HONEYWELL INT INC (1)· patent assignee history

2000Based in Bergen, NJ, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ALLIED SIGNAL INC	1	1998
HONEYWELL INT INC	1	2000

Locations

Location	Patents	Span
Bergen, New Jersey, US	1	2000
Glen Rock, New Jersey, US	1	1998