Membership
Tour
Register
Log in
Wolfgang Speigelstein
Follow
Person
Glendale, CA, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Drive for end loading and transversely shifting tape cartridge
Patent number
RE33224
Issue date
May 29, 1990
Irwin Magnetic Systems, Inc.
Wolfgang Speigelstein
360 - Dynamic magnetic information storage or retrieval