Inventor · disambiguated record
Ronald Erfurth
Also filed as: ERFURTH RONALD · ERFURTH RONALD L
5 granted patents·146 citations·filing 1982–1993
82Inventor score
Technology areasA61G
Top patents by PatentIndex Score
5 records- 0184US5605345AWheeled apparatus for use as walker and wheelchairBROOKEFIELD HUNTER INC·Filed 1993·Granted Feb 25, 1997·100 cites·53 claims
- 0282USD293663SWheeled walkerERFURTH RONALD·Filed 1986·Granted Jan 12, 1988·25 cites·1 claims
- 0362USD277561SWheeled walkerERFURTH RONALD·Filed 1982·Granted Feb 12, 1985·9 cites·1 claims
- 0454USD283884SWheeled walkerERFURTH RONALD·Filed 1983·Granted May 20, 1986·6 cites·1 claims
- 0549USD295155SWheeled walkerERFURTH RONALD·Filed 1986·Granted Apr 12, 1988·6 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →