Dontech INC
At a glance
Employees20-99
In business since1971
HeadquartersDoylestown, PA
US patents2
SAM.gov UEITSWLCNWPN8X8
CAGE code63009
Incorporated inPA
- optical filters
- precision optics
- coated flexible films
- thin film coating services
- batch thin film coating
- substrates
- coatings
- EMI/RFI shielding
- transparent heating
- avionics
- government
- medical
Named on the company’s own website, read JUL 29, 2026
CareersCareers page — seen SEP 8, 2026
Supplier designations
For Profit OrganizationManufacturer of GoodsSubchapter S Corporation
Self-certified by the company in its SAM.gov registration
Certifications
AS9100ISO 9001
Patents
2 US patents granted 1988–2005, none of them in the five years to SEP 2025.
Computer technology 1Electrical machinery, apparatus, energy 1
- Gas distributor for an ion sourceUS 6,963,162 · granted NOV 8, 2005
- Computer touch panel filterUS 4,779,025 · granted OCT 18, 1988
Granted to Dontech Inc. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Dontech INC | Doylestown | PA | 20–99 | 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.