Assignee
FRED M SCHILDWACHTER & SONS IN
US·5 granted patents·125 citations·filing 1993–1996
Top patents by PatentIndex Score
5 records- 0164US5392202ALow profile illuminated push buttonFRED M SCHILDWACHTER & SONS IN·Filed 1994·Granted Feb 21, 1995·17 cites·14 claims
- 0261US5638047ASound activated transmitterFRED M SCHILDWACHTER & SONS IN·Filed 1995·Granted Jun 10, 1997·39 cites·15 claims
- 0357US5576690ACombined audible and visual signaling deviceFRED M SCHILDWACHTER & SONS IN·Filed 1995·Granted Nov 19, 1996·39 cites·24 claims
- 0456US5748074AElectronic door chimeFRED M SCHILDWACHTER & SONS IN·Filed 1996·Granted May 5, 1998·27 cites·19 claims
- 0514US5420564ADoor chime assemblyFRED M SCHILDWACHTER & SONS IN·Filed 1993·Granted May 30, 1995·3 cites·26 claims
Join the waitlist — get patent alerts
Get an alert when FRED M SCHILDWACHTER & SONS IN files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →