Assignee
WELCH TUNING SYSTEMS INC
US·4 granted patents·3 citations·filing 2018–2020
Technology mixG10D1
Top patents by PatentIndex Score
4 records- 0177US11081092B2Tensioning system for vibrating membranesWELCH TUNING SYSTEMS INC·Filed 2020·Granted Aug 3, 2021·1 cites·16 claims
- 0232USD875171SDrum clawWELCH TUNING SYSTEMS INC·Filed 2018·Granted Feb 11, 2020·1 cites·1 claims
- 0331USD889534SDrum head tensioning bracketWELCH TUNING SYSTEMS INC·Filed 2018·Granted Jul 7, 2020·1 cites·1 claims
- 0427USD875172SDrum hoop bracketWELCH TUNING SYSTEMS INC·Filed 2018·Granted Feb 11, 2020·0 cites·1 claims
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