Princetel, INC
Doing business as Wendon Eng
At a glance
Employees20-99
In business since2000
HeadquartersHamilton, NJ
US patents21
SAM.gov UEIF62LCL2HLUD6
CAGE code7TCS1
Incorporated inNJ
- Engineering
- electrical slip rings
- slip ring repairs
- testing
- qualification
- machining
- New Jersey
Named on the company’s own website, read JUL 29, 2026
CareersCareers page — seen SEP 8, 2026
Supplier designations
For Profit OrganizationManufacturer of GoodsMinority Owned Business
Self-certified by the company in its SAM.gov registration
Patents
21 US patents granted 2010–2024, 5 of them in the five years to SEP 2025.
Optics 12Electrical machinery, apparatus, energy 5Transport 2Telecommunications 1Mechanical elements 1
- Rotatable capsule for a fiber optic rotary jointUS 12,092,875 · granted SEP 17, 2024
- Fluid rotary joint assembly suitable for high rotational speedUS 11,953,126 · granted APR 9, 2024
- Slip ring system for high speed applicationsUS 11,309,673 · granted APR 19, 2022
- High frequency slip ring with through boreUS 11,289,865 · granted MAR 29, 2022
- Fiber optic slip ring with through boreUS 11,143,823 · granted OCT 12, 2021
Newest 5 shown · Granted to Princetel, Inc. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Princetel, INC | Hamilton | NJ | 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.


