Inventor
KROL ANDRZEJ J
US15 patents
⚠️ This page may combine multiple inventors who share the name “KROL ANDRZEJ J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DRUM WORKSHOP INC
7 patentsUS9631652B2Apr 25, 2017
Clip-on mounting assembly for musical instruments
DRUM WORKSHOP INC6 citations82
US9466273B2Oct 11, 2016
Snare cajón instrument
DRUM WORKSHOP INC14 citations82
US9966050B2May 8, 2018
Instrument Mounting Assembly
DRUM WORKSHOP INC3 citations71
US9343050B2May 17, 2016
Channeled shaker
DRUM WORKSHOP INC2 citations58
US9709083B2Jul 18, 2017
Spring enabled audio device mounting apparatus
DRUM WORKSHOP INC1 citations50
US9257109B2Feb 9, 2016
Eyebolt bracket assembly
DRUM WORKSHOP INC0 citations50
US9570053B2Feb 14, 2017
Adjustable cajón instrument
DRUM WORKSHOP INC0 citations48
DADDARIO & COMPANY INC
6 patentsUS10596413B2Mar 24, 2020
Multi-functional finger exercise device
DADDARIO & COMPANY INC9 citations80
US11504579B2Nov 22, 2022
Height and tension adjustable hand exerciser
DADDARIO & COMPANY INC4 citations72
USD876532SFeb 25, 2020
Musical instrument tuner
DADDARIO & COMPANY INC3 citations71
US10974098B2Apr 13, 2021
Retractable hand exerciser
DADDARIO & COMPANY INC4 citations69
US10958025B2Mar 23, 2021
Pivoting plug adapter
DADDARIO & COMPANY INC0 citations51
US11309672B2Apr 19, 2022
Solder-less and tool-less electrical system
DADDARIO & COMPANY INC0 citations50