Assignee
SPRAGUE MICHAEL M
US·3 granted patents·26 citations·filing 1986–2005
Top patents by PatentIndex Score
3 records- 0173US7571554B2Heat recovery and ventilation system for dryersSPRAGUE MICHAEL M·Filed 2005·Granted Aug 11, 2009·5 cites·12 claims
- 0251US4885863AFishing lure retrieverSPRAGUE MICHAEL M·Filed 1988·Granted Dec 12, 1989·15 cites·8 claims
- 0332US4756112AFishing lure retrieverSPRAGUE MICHAEL M·Filed 1986·Granted Jul 12, 1988·6 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when SPRAGUE MICHAEL M 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 →