# S & M Instrument Co.

- Location (FDA's records): Doylestown, PA
- FDA decisions: 4 (1988–1995): 4 510(k) clearances
- Product codes: BZG (2), CAF (1), CAP (1)
- Predicates its devices cite: 0 (0 its own); citations of its devices by later devices: 0 (0 its own)
- Recalls linked to its devices: 0 (0 Class I)
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Recent decisions
- K951367: Porta-Screen Spirometer (Apr 14, 1995)
- K943146: Porta-Resp Monitor (Nov 28, 1994)
- K920877: The Keystone System (Dec 23, 1992)
- K884051: DSM-1 Dosimeter (Dec 16, 1988)

Source page: https://510kreport.com/company/s-m-instrument