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Inventor

Robert N. Ferguson

Inventor
Richmond, VA, US

Overview

3→
Patents
1992–1995
Patent span
Human necessities
Primary field (CPC A)

Patents· 3 as inventor

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

A24Dprimary
A24DCigars50%
B01DSeparation25%
C07CAcyclic or carbocyclic compounds25%
PatentTitleYear
5,450,862'Wrapper for a smoking article'19955,230,802'Extraction process using a novel organic acid as a liquid ion exchanger'19935,152,304'Wrapper for a smoking article'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–1995Patents assigned to PHILIP MORRIS INC (3)· patent assignee history
1992–1995Based in Richmond, VA, US· patent location history
1993Patents assigned to PHILIP MORRIS (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PHILIP MORRIS INC31992–1995
PHILIP MORRIS11993
Locations
LocationPatentsSpan
Richmond, Virginia, US31992–1995