Assignee
SPENCER-SMITH MICHAEL
US·3 granted patents·15 citations·filing 2003–2012
Top patents by PatentIndex Score
3 records- 0181US8671671B1Exhaust system for an internal combustion engineSPENCER-SMITH MICHAEL·Filed 2012·Granted Mar 18, 2014·9 cites·11 claims
- 0260US8707689B1Exhaust system for an internal combustion engineSPENCER-SMITH MICHAEL·Filed 2011·Granted Apr 29, 2014·3 cites·3 claims
- 0336US6837233B1System for enhancing performance of an internal combustion engineSPENCER-SMITH MICHAEL·Filed 2003·Granted Jan 4, 2005·3 cites·15 claims
Join the waitlist — get patent alerts
Get an alert when SPENCER-SMITH MICHAEL 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 →