Daryl or Dave will need to help us with this
Frank A. Hollenbeck was the BG&F plant superintendent 1890-1892. He had three patents granted while he was in Batavia, and two were assigned to Baker Gun & Forging; October 13, 1891 #461182
https://books.google.com/books?id=QIdRAQAAMAAJ&pg=PA193&lpg and August 23, 1892 #481327.
Patent February 10, 1891 # 446166 was for Hollenbeck’s hammer safety device
https://patents.google.com/patent/US446166 I couldn't find Hollenbeck February 10, 1890 or October 14, 1891 patents