Assignee

KELLER MICHAEL I

US·2 granted patents·0 citations·filing 1982–2024

Technology mixB23P1 B41J1 F02F1 Y10T1

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2 records

0157US12215652B1Method for making a lightweight internal combustion engine piston with micro chambersKELLER MICHAEL I·Filed 2024·Granted Feb 4, 2025·0 cites·10 claims
0224US4441112ANon-impact dot matrix printerKELLER MICHAEL I·Filed 1982·Granted Apr 3, 1984·0 cites·5 claims

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