Assignee
LEWALLYN MICHAEL
4 granted patents·85 citations·filing 1977–1989
Top patents by PatentIndex Score
4 records- 0172US4102512ASystem for forming sheet material into spiral rollsLEWALLYN MICHAEL·Filed 1977·Granted Jul 25, 1978·27 cites·8 claims
- 0266US4207787ASwatch cutting systemLEWALLYN MICHAEL·Filed 1978·Granted Jun 17, 1980·19 cites·5 claims
- 0354US4135321AFiring nippleLEWALLYN MICHAEL·Filed 1978·Granted Jan 23, 1979·13 cites·2 claims
- 0453US4989766AConvertible back packLEWALLYN MICHAEL·Filed 1989·Granted Feb 5, 1991·26 cites·12 claims
Join the waitlist — get patent alerts
Get an alert when LEWALLYN 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 →