TL

Tsun-Chi Liao

HC Hwa Shin Musical Instrument Co.: 30 patents #1 of 2Top 50%
Overall (All Time): #16,994 of 4,157,543Top 1%
92
Patents All Time

Issued Patents All Time

Showing 51–75 of 92 patents

Patent #TitleCo-InventorsDate
6346665 Dual adjusting holder for drum 2002-02-12
6344605 Multi-orientation adjustable clamp device clamping at drum's counterhoop 2002-02-05
6329584 Changeable foot structure for hi-hat cymbal 2001-12-11
6307137 Adjustable cymbal stand 2001-10-23
6274797 Coupling device for clamping more cymbals 2001-08-14
6268556 Stepless cymbal adjuster 2001-07-31
6259011 Cymbal clamp 2001-07-10
6252151 Adjustable clamp assembly for fixing pedal deck to drum counterhoop 2001-06-26
D442985 Musical wooden drum 2001-05-29
6222108 Percussion amplitude adjustable pedal drum-beating device 2001-04-24
6215056 Adjustable foot structure for hi-hat cymbal 2001-04-10
6188007 Folding collapsible foot pedal mechanism for a hi-hat cymbal 2001-02-13
6147288 Pedal clamp 2000-11-14
6096958 Transmission mechanism for a hi-hat cymbal 2000-08-01
6057500 Angle adjustable cymbal clamp 2000-05-02
6049032 Swinging stand transmission device for pedal operated cymbals 2000-04-11
6040514 Legless conga drum stand for use while sitting or kneeling 2000-03-21
D421359 Seat cushion 2000-03-07
6011209 Cymbal fixture 2000-01-04
5998718 Base drum beater mounting structure 1999-12-07
5986195 Musical resonator mounting structure 1999-11-16
5973249 Bongos holder 1999-10-26
5936174 Cymbal fixation device 1999-08-10
5932824 Drum beater with a replaceable counterweight 1999-08-03
5927810 Adjustable musician's chair 1999-07-27