Individual holder
CHAMBERLIN DAVID B
US·2 granted patents·254 citations·filing 1986–1987
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
2 records- 0193US4969136ACommunications network and method with appointment information communication capabilitiesCHAMBERLIN DAVID B·Filed 1986·Granted Nov 6, 1990·163 cites·22 claims
- 0285US5003575AMethod and apparatus for storing and forwarding voice signals with controlled accessCHAMBERLIN DAVID B·Filed 1987·Granted Mar 26, 1991·91 cites·24 claims
Join the waitlist — get patent alerts
Get an alert when CHAMBERLIN DAVID B 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 →