Individual holder
SEYMOUR WILLIAM D
US·3 granted patents·57 citations·filing 1975–1992
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0169US3976297AReturning tethered discSEYMOUR WILLIAM D·Filed 1975·Granted Aug 24, 1976·27 cites·11 claims
- 0243US4799525AMulti-option shutter awning assemblySEYMOUR WILLIAM D·Filed 1986·Granted Jan 24, 1989·19 cites·21 claims
- 0337US5275417ATethered flying circular spinning toySEYMOUR WILLIAM D·Filed 1992·Granted Jan 4, 1994·11 cites·15 claims
Join the waitlist — get patent alerts
Get an alert when SEYMOUR WILLIAM D 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 →