LexDanaLexDanabeta
Inventor

W. Douglas Schellig

Inventor
Bloomfield Hills, MI, US

Overview

2→
Patents
1998–1999
Patent span
Performing operations
Primary field (CPC B)

Patents· 2 as inventor

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

B65Hprimary
B65HHandling thin or filamentary material, e.g. sheets, webs, cables33%
G09FDisplaying33%
Y10TTechnical subjects covered by former us classification33%
PatentTitleYear
5,878,474'Method for installing flexible sign panels with movable trolley'19995,725,173'Movable apparatus for installing flexible sign panels'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–1999Patents assigned to MARKETING DISPLAYS INC (2)· patent assignee history
1998–1999Based in Bloomfield Hills, MI, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MARKETING DISPLAYS INC21998–1999
Locations
LocationPatentsSpan
Bloomfield Hills, MI, US21998–1999