Video – Servicing the Interchangeable Core

hat tip to Jeff Moss for pointing this out

Video – Combinating the Interchangeable Core A4 System

hat tip to Jeff Moss for pointing this out!

Video – The Patented Keying System

hat tip to Jeff Moss for pointing this out!

Best Memo – 1995-08-04 – Best vs. Ilco Loss

Many thanks to David Hartley for the contribution.

Best Memo – 1994-05-09- Update for the Field on Best vs. Ilco

Many thanks to David Hartley for the contribution.

Best Internal Memo – 1993-04-05 – PKS Patent Enforcement Commitment

Many thanks to David Hartley for the contribution.

A2 Training Seminar Manual (1979)

Best Internal Memo – 1977-01-24 – Throw Pins for 6B 27B 37B

Best Internal Memo – 1978-06-21 – NICAD Plated Shackles

Best Internal Memo – 1979-06-26 – Padlock Cases with Bead Blasted Finish

Best Internal Memo – 1983-11-07 – 6B Padlock Design

Best Internal Memo – 1984-03-06 – Key Stamps Registered Trademark

Best Internal Memo – 1984-08-30 – New Padlock Case Production

Best Internal Memo – 1986-12-15 – Redesign Deadlocking Throw Member

Best Internal Memo – 1987-09-25 – Padlock Shackle Appearance Change

Best Internal Memo – 1989-10-25 – Padlock Die Stamps

Best Internal Memo – 1998-08-04 – Free Padlock R and RT Option

Sample Best Special Key Stamp Blueprints