Inventor · disambiguated record
Donald A. Perser
Also filed as: PERSER DONALD A
3 granted patents·89 citations·filing 1975–1982
75Inventor score
Files withBALLERT ORTHOPEDIC CORP3
Top patents by PatentIndex Score
3 records- 0186USD244886SShoe supportBALLERT ORTHOPEDIC CORP·Filed 1975·Granted Jul 5, 1977·26 cites·1 claims
- 0249US4459980AAnkle and foot braceBALLERT ORTHOPEDIC CORP·Filed 1982·Granted Jul 17, 1984·42 cites·3 claims
- 0340US4176459AFoot elevation measuring deviceBALLERT ORTHOPEDIC CORP·Filed 1975·Granted Dec 4, 1979·21 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →