Inventor

Robert E. Montrose

Inventor

Plymouth, MN, US

Overview

2→

Patents

1988–1989

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.

B65Dprimary

B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers33%

G11BInformation storage based on relative movement between record carrier and transducer33%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests33%

PatentTitleYear

4,805,769'Compact disc security holder'1989 4,790,448'Container and lid with tamper evident closure'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–1989Patents assigned to LIBERTY DIVERSIFIED IND (2)· patent assignee history

1988–1989Based in Plymouth, MN, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
LIBERTY DIVERSIFIED IND	2	1988–1989

Locations

Location	Patents	Span
Plymouth, Minnesota, US	2	1988–1989