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Inventor

Leroy L. Longworth

Inventor
Waconia, MN, US

Overview

3→
Patents
1986–1998
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 transducer75%
G01RMeasuring electric variables25%
PatentTitleYear
5,712,565'MR sensor having thick active region between two thinner inactive MR regions topped with respective permanent magnets'19985,001,589'Tungsten and tantalum diffusion barriers for Metal-In-Gap magnetic heads'19914,564,585'Process for fabricating negative pressure sliders'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986Patents assigned to MAGNETIC PERIPHERALS INC (1)· patent assignee history
1986Based in Buffalo, MN, US· patent location history
1991–1998Patents assigned to SEAGATE TECHNOLOGY (2)· patent assignee history
1991–1998Based in Waconia, MN, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SEAGATE TECHNOLOGY21991–1998
MAGNETIC PERIPHERALS INC11986
Locations
LocationPatentsSpan
Waconia, Minnesota, US21991–1998
Buffalo, Minnesota, US11986