Henry L.F. Trebert filed a certificate to do business as H.L.F Trebert Engine Works with the Monroe County Clerk's Office on July 19th, 1910.
The company is listed in the 1909 through 1916 Rochester City Directories. They were located at 495 St. Paul St.

Additional Information
- Airplane Engine Encyclopedia by Glenn D. Angle, In Charge of the Design of Airplane Engines for the United States Air Sevice, 1921.
- Engine Patent 980,366 asiigned to HLF Trebert
note: use pg up/pg dn keys - Engine Patent 1,215,434 assigned to HLF Trebert for barrel type engine.
note: use pg up/pg dn keys - Engine Patent 1,486,502 assigned to HLF Trebert for Sixteen-Cylinder Airplane Engine.
note: use pg up/pg dn keys - Sixteen-Cylinder Engine for American Aeroplanes Popular Mechanics, April, 1917
- Henry Trebert Rites Obituary from Rochester Times-Union, November 26, 1951
References
- Antique Automobuile Magazine, November-December, 1969
- Rochester City Directories, 1909-1917
- Airplane Engine Encyclopedia, P. 181; by Glenn D. Engle; Pub. 1921
- Monroe County Clerks Office Electronic Index