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Inventor

Daniel C. Card

Inventor
Winnipeg, CA

Overview

3→
Patents
1979–1996
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

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

G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer50%
G06FElectric digital data processing25%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests25%
PatentTitleYear
5,576,698'Physical addressing of modules'19964,149,201'Transducer centering system'19794,149,200'Transducer positioning system'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979Patents assigned to BURROUGHS CORP (2)· patent assignee history
1979–1996Based in Winnipeg, CA· patent location history
1996Patents assigned to UNISYS CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BURROUGHS CORP21979
UNISYS CORP11996
Locations
LocationPatentsSpan
Winnipeg, CA31979–1996