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Home › 2016 › Drum Workshop › John J. Good

John J. Good — 1 Patent in 2016

DWDrum Workshop: 1 patents #7 of 10Top 70%

Thousand Oaks, CA: #88 of 224 inventorsTop 40%

California: #22,912 of 57,791 inventorsTop 40%

Overall (2016): #350,116 of 481,213Top 75%

1 Patents 2016

Issued Patents 2016

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
9390692	Precision true hoop for drum	—	2016-07-12

John J. Good — 1 Patent in 2016

Issued Patents 2016

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