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Inventor

Dale J. Fixsen

Inventor
St. Louis Park, MN, US

Overview

2→
Patents
1987–1989
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 2 as inventor

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

F17Cprimary
F17CVessels for containing or storing compressed, liquefied or solidified gases33%
G01RMeasuring electric variables33%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests33%
PatentTitleYear
4,796,432'Long hold time cryogens dewar'19894,663,590'Single frequency noise reduction circuit for squids'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987Patents assigned to SPERRY CORP (1)· patent assignee history
1987–1989Based in St. Louis Park, MN, US· patent location history
1989Patents assigned to UNISYS CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SPERRY CORP11987
UNISYS CORP11989
Locations
LocationPatentsSpan
St. Louis Park, Minnesota, US21987–1989