Inventor · disambiguated record
Lester L. Ritter
Also filed as: RITTER LESTER L
3 granted patents·73 citations·filing 1977–1993
73Inventor score
Technology areasE21B
Files withRITTER LESTER L2
Top patents by PatentIndex Score
3 records- 0175US4144941ADirectional impact tool for tunnelingRITTER LESTER L·Filed 1977·Granted Mar 20, 1979·46 cites·8 claims
- 0245US4749050AImpact tool for tunnelingRITTER LESTER L·Filed 1987·Granted Jun 7, 1988·21 cites·11 claims
- 0325US5377770AApparatus for improving impact tool lubricationFiled 1993·Granted Jan 3, 1995·6 cites·11 claims
Join the waitlist — get patent alerts
Get an alert when Lester L. Ritter files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →