Assignee
WHEELOCK SIGNALS INC
5 granted patents·135 citations·filing 1974–1979
Top patents by PatentIndex Score
5 records- 0179US4101880AAudiovisual signaling deviceWHEELOCK SIGNALS INC·Filed 1976·Granted Jul 18, 1978·35 cites·11 claims
- 0277US4258332ALoudspeaker amplifierWHEELOCK SIGNALS INC·Filed 1979·Granted Mar 24, 1981·21 cites·4 claims
- 0372US4274084AAudio-visual signal circuitsWHEELOCK SIGNALS INC·Filed 1979·Granted Jun 16, 1981·26 cites·5 claims
- 0466US3995125AProtective grilleWHEELOCK SIGNALS INC·Filed 1975·Granted Nov 30, 1976·39 cites·7 claims
- 0560US3964047AFire-alarm audible signaling system permitting selective communications and signalingWHEELOCK SIGNALS INC·Filed 1974·Granted Jun 15, 1976·14 cites·10 claims
Join the waitlist — get patent alerts
Get an alert when WHEELOCK SIGNALS INC 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 →