Prototype Machine Company
Doing business as Randolph Austin Company
At a glance
EmployeesNot reported
In business sinceNot reported
Industry
HeadquartersManchaca, TX
US patents2
SAM.gov UEIFNFVEKPCUM13
CAGE code3A7L4
Incorporated inTX
- peristaltic pumps
- tubing
- fluid transfer
- 0015 liters
- 79.5 liters
- variable speed
- reversible speed
- medical
- pharmaceutical
- food
- beverage
- printing
Named on the company’s own website, read JUL 29, 2026
Supplier designations
For Profit OrganizationManufacturer of Goods
Self-certified by the company in its SAM.gov registration
Patents
2 US patents granted in 1991, none of them in the five years to SEP 2025.
Engines, pumps, turbines 1Medical technology 1
- Brace and hinge apparatus and methodUS 5,031,606 · granted JUL 16, 1991
- Variable occlusion peristaltic apparatus and methodUS 5,009,573 · granted APR 23, 1991
Granted to Randolph Austin Company · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Prototype Machine Company | Manchaca | TX | — | 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.

