Inventor · disambiguated record
David T. Waugh
Also filed as: WAUGH DAVID · WAUGH DAVID T
3 granted patents·89 citations·filing 1995–1998
74Inventor score
Technology areasG08B
Top patents by PatentIndex Score
3 records- 0161US5638047ASound activated transmitterFRED M SCHILDWACHTER & SONS IN·Filed 1995·Granted Jun 10, 1997·39 cites·15 claims
- 0259USD410436SWireless push buttonFRED M SCHILDWACHTER & SONS INC·Filed 1998·Granted Jun 1, 1999·11 cites·1 claims
- 0357US5576690ACombined audible and visual signaling deviceFRED M SCHILDWACHTER & SONS IN·Filed 1995·Granted Nov 19, 1996·39 cites·24 claims
Join the waitlist — get patent alerts
Get an alert when David T. Waugh files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →