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Inventor
HASSEL MICHAEL J
US
3 patents
⚠️ This page may combine multiple inventors who share the name “HASSEL MICHAEL J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PLUS DEV CORP
2 patents
US4858034A
Aug 15, 1989
Modular unitary disk file subsystem with differing density zones
PLUS DEV CORP
45 citations
87
US4825321A
Apr 25, 1989
Modular unitary disk file subsystem having increased data storage capacity
PLUS DEV CORP
39 citations
87
HEARME TECH LLC
1 patent
US11508391B2
Nov 22, 2022
Device to amplify and clarify voice
HEARME TECH LLC
0 citations
39