1901 Locke Adder
1901 Macey Card System
1901 Olsen Office Desk
1901 Pen Carbon Letter Book
1901 Perfect Scrap Book Co.
1901 Rotary Neostyle
1901 Shaw Walker Card System
1901 Smith's Index Tabs
1901 Wiggins Calling Cards
1901 Y&E Card Index
1902 Areandbe Ledger
1902 Baker Vawter Interest Tables
1902 Edison Mimeograph
1902 Hano Billing Charging Systems
1902 Hapgood Bureau