Inventor · disambiguated record
Robert Friesen
Also filed as: FRIESEN ROBERT · FRIESEN ROBERT J
4 granted patents·38 citations·filing 1981–2023
70Inventor score
Top patents by PatentIndex Score
4 records- 0160US10404447B1Clock recovery device with state machine controllerMICROSEMI SEMICONDUCTOR ULC·Filed 2018·Granted Sep 3, 2019·1 cites·20 claims
- 0251US5419752AMuscle exercise apparatus for the physically disabledJOCKEY CYCLE INC·Filed 1993·Granted May 30, 1995·33 cites·20 claims
- 0344US12509891B2Vent for a ventilated concrete floor structure and method of forming a ventilated concrete floor structureKROEKER FARMS LTD·Filed 2023·Granted Dec 30, 2025·0 cites·20 claims
- 0426US4463345ASeed flow monitorSED SYSTEMS INC·Filed 1981·Granted Jul 31, 1984·4 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →