Jeffrey L. Lovgren

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Rochester, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for checking disk identity in a flexible disk recorder
- Patent number 4,578,722
- Issue date Mar 25, 1986
- International Business Machines Corporation
- Jeffrey L. Lovgren
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Magnetic head load control system
- Patent number 4,202,020
- Issue date May 6, 1980
- International Business Machines Corporation
- Jeffrey L. Lovgren
- G11 - INFORMATION STORAGE
Information Patent Grant
Read/write and tunnel erase magnetic head assembly
- Patent number 4,110,804
- Issue date Aug 29, 1978
- International Business Machines Corporation
- Daniel O. Castrodale
- G11 - INFORMATION STORAGE