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Inventor

Arlen J. Bowen

Inventor
Rochester, MN, US

Overview

4→
Patents
1977–2003
Patent span
Physics
Primary field (CPC G)

Patents· 4 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 transducer29%
Y10TTechnical subjects covered by former us classification29%
B24BMachines, devices, or processes for grinding or polishing14%
G01NInvestigating or analysing materials by determining their chemical or physical properties14%
G06KGraphical data reading14%
PatentTitleYear
6,534,974'Magnetic head tester with write coil and read coil'20035,155,372'Optical inspection system utilizing wedge shaped spatial filter'19924,430,782'Apparatus and method for burnishing magnetic disks'19844,019,065'Multiplexing document card reader with convex lens'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1992Patents assigned to IBM (3)· patent assignee history
1977–2003Based in Rochester, MN, US· patent location history
2003Patents assigned to PEMSTAR INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IBM31977–1992
PEMSTAR INC12003
Locations
LocationPatentsSpan
Rochester, Minnesota, US41977–2003