Inventor

Wilmer D. Johnston

Inventor

Houston, TX, US

Overview

1→

Patents

1977

Patent span

Performing operations

Primary field (CPC B)

Patents· 1 as inventor

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

B01Jprimary

B01JChemical or physical processes, e.g. catalysis or colloid chemistry50%

B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers50%

PatentTitleYear

4,035,149'Vapor barriers for liquid conservation'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977Patents assigned to SHELL OIL CO (1)· patent assignee history

1977Based in Houston, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SHELL OIL CO	1	1977

Locations

Location	Patents	Span
Houston, Texas, US	1	1977