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Inventor

J. A. Van Haastert

Inventor
Temple City, CA, US

Overview

2→
Patents
1978–1983
Patent span
Human necessities
Primary field (CPC A)

Patents· 2 as inventor

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

A42Bprimary
A42BHats25%
A62BDevices, apparatus or methods for life-saving25%
B01DSeparation25%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests25%
PatentTitleYear
4,419,110'Gas filter container'19834,075,714'Helmet characterized by negative lift'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978Patents assigned to SIERRA ENG CO (1)· patent assignee history
1978–1983Based in Temple City, CA, US· patent location history
1983Patents assigned to FIGGIE INT INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FIGGIE INT INC11983
SIERRA ENG CO11978
Locations
LocationPatentsSpan
Temple City, California, US21978–1983