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USPTO Data Jan 1 1976 - Oct 6 2026
98 Patents
#2 in Oxnard, CA
#891 in California
#3,854 in US
#7,918 in the World
Drum Workshop, Inc.
Forward Citations = 589
29 inventors:
Oxnard, CA, United States of America
Drum Workshop, Inc.
% Expired Patents = 10.2
EPO Patents = 1
Trademarks = 93
Forward Citations = 589
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29 inventors (with patents filed for the assignee):
Donald G Lombardi (40 out of 52 patents)
Richard A Sikra (31 out of 33 patents)
John J Good (12 out of 12 patents)
4. Andrzej J Krol (8 out of 21 patents)
5. Victor Filonovich (7 out of 11 patents)
6. Sergio G Bonsignore (7 out of 13 patents)
7. Rich Sikra (6 out of 6 patents)
8. Mark Moralez (4 out of 4 patents)
9. Connor Lombardi (4 out of 4 patents)
10. Paul Piscoi (4 out of 4 patents)
11. Marcus Ryle (4 out of 4 patents)
12. Ruben Steinhauser (3 out of 10 patents)
13. Ray Enhoffer (2 out of 5 patents)
14. Akbar Moghaddam (2 out of 2 patents)
15. Richard D Simons (2 out of 23 patents)
Core Competencies:
Electronic Instruments
Percussion Pedals
Drum Stands
Adjustable Features
Cymbal Holders
Drum Shells
Throw-Off Devices
Transportable Kits
Precision Drums
Hi-Hat Assemblies
Drum Support Pads
Cymbals Control
98 patents:
Drum Workshop, Inc., based in Oxnard, California, specializes in the design and manufacture of electronic musical instruments, particularly focusing on percussion-related products. The company is renowned for its innovative solutions in drum pedals, stands, and transportable kits, catering to both professional musicians and enthusiasts. Their commitment to quality and adjustable features enhances the playing experience, making them a key player in the electronic instrument market.
Profile summary based on public USPTO records.
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Please report any incorrect information to [email protected]
1 patent (EPO):
Please report any incorrect information to [email protected]