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Inventor

Marvin Keith

Inventor
Evanston, IL, US

Overview

2→
Patents
1978–1996
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.

A61Jprimary
A61JContainers specially adapted for medical or pharmaceutical purposes25%
B29CShaping or joining of plastics25%
B30BPresses in general25%
Y10TTechnical subjects covered by former us classification25%
PatentTitleYear
5,499,729'Infant feeding bottle including pressure equalizing diaphragm'19964,131,403'Mounting press'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978Patents assigned to BUEHLER LTD (1)· patent assignee history
1978–1996Based in Evanston, IL, US· patent location history
1996Patents assigned to CHILDREN ON THE GO INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BUEHLER LTD11978
CHILDREN ON THE GO INC11996
Locations
LocationPatentsSpan
Evanston, Illinois, US21978–1996