PATTERN ENGINE, INC.

Active

California, United States

PATTERN ENGINE, INC. is an Active Corporation registered in California, United States. It was incorporated on January 1, 2009 under registry number 4729928. Its registered address is in San Francisco, California, United States. It also operates under the name KEYSTONE ENGINEERING GROUP INC..

Registry Information

Registry Number
4729928
Legal Form
Corporation
Status
Active
Incorporation Date
January 1, 2009
Founded Date
April 7, 2021

Contact & Web

Registered Address

Street
338 Potrero Avenue
City
San Francisco
Region
California
Postal Code
94103
Country
United States(US)
Coordinates
37.765247, -122.407591
Original Address
338 POTRERO AVENUE, UNIT 803, SAN FRANCISCO, CA 94103

The entity has been on the registry for 17 years, dating from the 2000s. Registry data for this entity was first captured on February 19, 2023 and most recently refreshed on October 15, 2025.

Identifiers

Registration Number
4729928

Alternative & Previous Names

Alternative Names

  • KEYSTONE ENGINEERING GROUP INC.