'Time-Line' - from various sources, related to the Pacific Gun Sight Company:

1928 - Mr. Walter Joseph Sutton applies for a gun sight patent, #1809257, on May 7, 1928.

1931 - Instruction sheet and sight box, mailed June 4, 1931, marked Pacific Gun Sight Co., 682 Twenty-Fourth Ave., San Francisco, Cal. (a private residence).

1931 - June 9, Sight patent #1,809,257 approved.

1931 - November: American Rifleman article by J.R. Mattern, "The Krag - After 40 Years", reports on Pacific (K-1 & K-2) and Western (Redfield 102K) sights as being recent and new.

1934 - Pacific Gun Sight Company - Catalog No. 8 "Gun Sights - Reloading Tools - Supplies". (Catalog reports that owners are active shooting club members and have been making sights for a number of years, for themselves and other club members).

1936 - Polk Directory, San Francisco: (Walter Joseph Sutton, mech., W.J. Sutton & R.J. Miller Guns, 355 Hayes St.), (Robert J. Miller, Mgr., Robert S. Miller, Sec., Sutton & Miller, residence - 682 24th St.).

1936 - Polk Dir. S.F. - Gunsmith listings: Sutton & Miller, 355 Hayes.

1939 - Polk Dir. S.F. - Pacific Gun Sight Co. (Robert J. and Robert S. Miller) 353 Hayes. (Address is likely a typo. William J. Sutton no longer appears connected to business). 

1948-1949 - Possibly last 'Polk listing' putting Pacific G. S. Co. in San Francisco @ 355 Hayes Street, as well as, Robert J. Miller and Robert S. Miller connected to Pacific G. S. Co. and residing in S.F.

1953 - Gun Digest - last listing of Pacific sights.

1957 - "Guns Magazine" advertisement gives Pacific G. S. Co. address as: 2903 El Comino Real, Palo Alto, Ca. (Likely date of move, between 1949 and 1957).

1962 - "Guns Magazine" advertisement gives Pacific G. S. Co. address as: Box 4495 Dept. G (F), Lincoln, Nebraska. Advertisement totes "Over 30 Years Reloading Tool Leadership". (Hence, before 1962, Pacific Co. had moved out of Cal).

1971 - Hornady Co. acquired Pacific Co., per Hornady Co. history cited by 'Kerz'.