Inventor · disambiguated record
Ralph S. Robertson
Also filed as: ROBERTSON RALPH S
2 granted patents·109 citations·filing 1989–1991
68Inventor score
Top patents by PatentIndex Score
2 records- 0182US4970373AElectronic temperature control system for a tankless water heaterKELTECH INC·Filed 1989·Granted Nov 13, 1990·66 cites·16 claims
- 0243US5136469APowered surgical handpiece incorporating sealed multi semiconductor motor control packageSTRYKER CORP·Filed 1991·Granted Aug 4, 1992·43 cites·9 claims
Join the waitlist — get patent alerts
Get an alert when Ralph S. Robertson 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 →