Michael Duff

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Bloomington, IN, US

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Patents Grantslast 30 patents

Information Patent Grant
Frog for bow for stringed musical instrument
- Patent number 9,830,892
- Issue date Nov 28, 2017
- Michael Duff
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
SALES ATTEMPT TRACKING IN CUSTOMER RELATIONSHIP MANAGEMENT PLATFORM
- Publication number 20220358514
- Publication date Nov 10, 2022
- State Farm Mutual Automobile Insurance Company
- Michael Duff
- G06 - COMPUTING CALCULATING COUNTING