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Conrad O. Johnson

Houston, TX: #8,651 of 21,073 inventorsTop 45%

Texas: #52,441 of 125,132 inventorsTop 45%

Overall (All Time): #2,324,987 of 4,157,543Top 60%

2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4941385	Tone plate and clamping device for a musical instrument mouthpiece	—	1990-07-17
4745838	Reed holding device for musical instruments	—	1988-05-24