1843
US Patent No. 3,221

Lock for Safes, Bank-Vaults, &c.

1843
US Patent No. 3,308

Door Lock or Latch

1845
US Patent No. 4,236

Lock for Banks and Safes

1848
US Patent No. 5,686

Powder-Proof Lock

1863
US Patent No. 37,290

Improvement in Locks

1865
US Patent No. 47,817

Improvement in Locks

1869
US Patent No. 90,096

Improvement in Permutation-Locks

1869
US Patent No. 95,899

Improved Rose for Door Knobs

1873
US Patent No. 141,874

Improvement for Bolts in Safe-Doors, &c.

1874
US Patent No. 11,158

Bank-Lock

c. 1883
US Patent No. 278,704

William F. Hall Patent Knob

1883
US Patent No. 278,704

Door-Knob Attachment

1891

Glass Knobs

Wm. Hall & Co., Boston, Mass.

1905

Buildings at 1-5 Dock Square

1905

Buildings at 5-9 Dock Square

1906

Glass Knobs

Catalogue No. 2

1907

Outside Door Trimmings

Catalogue No. 3

1907

Supplement No. 2 - Hinge Plates

c. 1910s

Wm. Hall Co. factory in Wollaston (Quincy), Mass.

1911

Catalogue No. 4 - Glass Knobs

1912

Catalogue No. 5 - Outside Door Trimmings

1916

Catalogue No. 6 - Glass Knobs

1916

William Hall Company

1975

Letter to Pairpoint Glass Co.