Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
FR

Floyd D. Rose

UNUnknown: 14 patents #423 of 83,584Top 1%
Del Mar, CA: #28 of 784 inventorsTop 4%
California: #9,453 of 386,348 inventorsTop 3%
Overall (All Time): #65,617 of 4,157,543Top 2%
45 Patents All Time

Issued Patents All Time

Showing 26–45 of 45 patents

Patent #TitleCo-InventorsDate
5700965 Tuning systems for stringed instruments 1997-12-23
5696335 Tuning systems for stringed instruments 1997-12-09
5689075 Tuning systems for stringed instruments 1997-11-18
5684256 Tuning systems for stringed instruments 1997-11-04
5589653 Tuning systems for stringed instruments 1996-12-31
5537907 Tuning systems for stringed instruments 1996-07-23
5539143 Tuning systems for stringed instruments 1996-07-23
5522299 Tuning systems for stringed instruments 1996-06-04
5233123 Musical instruments equipped with sustainers Steven M. Moore, Richard W. Knotts 1993-08-03
5123324 Musical instrument sustainers and transducers Steven M. Moore, Richard W. Knotts 1992-06-23
D324693 Fine tuning tremolo bridge unit for a guitar 1992-03-17
4998960 Music synthesizer John C. Ragin, III, Ronald H. Randall 1991-03-12
4967631 Tremolo and tuning apparatus 1990-11-06
4907483 Musical instrument sustainers and transducers Steven M. Moore, Richard W. Knotts 1990-03-13
4882967 Tremolo apparatus having broken string compensation feature 1989-11-28
D293117 Guitar 1987-12-08
D293118 Guitar 1987-12-08
4555970 Tremolo apparatus capable of increasing tension on the strings of a musical instrument 1985-12-03
4549461 Apparatus for restraining and fine tuning the strings of a musical instrument, particularly guitars 1985-10-29
4497236 Apparatus for restraining and fine tuning the strings of a musical instrument, particularly guitars 1985-02-05