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Inventor

Donald G. Gillis

Inventor
Prospect Heights, IL, US

Overview

3→
Patents
1999–2005
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 3 as inventor

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

E06Cprimary
E06CLadders100%
PatentTitleYear
6,962,233'Mobile ladder stand'20056,039,147'Mobile ladder stand'20005,941,341'Mobile ladder stand'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2005Based in Prospect Heights, IL, US· patent location history
2000Patents assigned to TNT STEEL IND INC (1)· patent assignee history
2005Patents assigned to L & P PROPERTY MANAGEMENT CO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
L & P PROPERTY MANAGEMENT CO12005
TNT STEEL IND INC12000
Locations
LocationPatentsSpan
Prospect Heights, Illinois, US31999–2005