Colby Instruments LLC
At a glance
Employees1-19
In business since1977
HeadquartersBellevue, WA
US patents2
SAM.gov UEIHEJUDGJADNU9
CAGE code00J66
Incorporated inWA
- delay line instruments
- patented trombone technology
- variable-length signal paths
- high frequency electronic signals
- research labs
Named on the company’s own website, read JUL 29, 2026
Supplier designations
For Profit OrganizationMinority Owned BusinessSubchapter S Corporation
Self-certified by the company in its SAM.gov registration
Patents
2 US patents granted 1989–2014, none of them in the five years to SEP 2025.
Telecommunications 2
- Precision delay line instrumentUS 8,729,981 · granted MAY 20, 2014
- Programmable mechanical delay lineUS 4,843,355 · granted JUN 27, 1989
Granted to Colby Instruments, Inc. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Colby Instruments LLC | Bellevue | WA | 1–19 | ACTIVE |
Compiled from federal records — EPA, OSHA, SAM.gov and the U.S. Census — and from the company’s own website. Federal source data is public domain. Each plant’s page names the source of every field.


