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Inventor

Robert M. Fesler

Inventor
Austin, TX, US

Overview

3→
Patents
1994–1996
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 them43%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests43%
G02BOptical elements, systems or apparatus14%
PatentTitleYear
5,568,324'Overhead projector with catadioptric fresnel lens'19965,504,544'Projector with multiple lamp light source'19965,296,882'Overhead projector with catadioptric fresnel lens'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–1996Patents assigned to MINNESOTA MINING & MFG (3)· patent assignee history
1994–1996Based in Austin, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MINNESOTA MINING & MFG31994–1996
Locations
LocationPatentsSpan
Austin, Texas, US31994–1996