# Western Systems Research, Inc.

- Location (FDA's records): Pasadena, CA
- FDA decisions: 2 (1987–2001): 2 510(k) clearances
- Product codes: GWN (2)
- Predicates its devices cite: 0 (0 its own); citations of its devices by later devices: 1 (0 its own)
- Recalls linked to its devices: 0 (0 Class I)
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Firms that cite its devices most
- S.A. Instrumentation Difra: 1 (https://510kreport.com/company/sa-instrumentation-difra)

## Its most-cited devices
- K010059: Engplus (2001), cited by 1

## Recent decisions
- K010059: Engplus (Feb 27, 2001)
- K871466: Vestibular Autorotation Test (Jul 24, 1987)

Source page: https://510kreport.com/company/western-systems-research