Individual holder

BLACKMAN SEYMOUR N

4 granted patents·188 citations·filing 19751987

Individually held — no corporate assignee on record.

Technology mixA61M3A61L1C03B1G01K1Y10S1

Top patents by PatentIndex Score

4 records

Join the waitlist — get patent alerts

Get an alert when BLACKMAN SEYMOUR N 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 →