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Tucson, AZ, United States of America

Ralph D Silkensen

This inventor holds 4 USPTO granted patents. Top assignee: International Business Machines Corporation. Active years: 1977-1983.

USPTO Granted Patents = 4

% Patents Active = 100.0

Average Co-Inventor Count = 3.1

ph-index = 4

Forward Citations = 52(Granted Patents)

Location History:

Longmont, CO (US) (1977)
Tucson, AZ (US) (1980 - 1983)

Company Filing History:

4 out of 166,209

International Business Machines Corporation

Years Active: 1977-1983

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4 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4373173 - Multi-element head assembly (1983-02-08),

2. 4291351 - Flux extender or guide for magnetic read head having a magnetoresistive (1981-09-22),

3. 4225892 - Wear resistant magnetorestrictive head (1980-09-30),

4. 4036723 - RF bias sputtering method for producing insulating films free of surface (1977-07-19),

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