Patent Details
Pat Num | CCL | Issue Date | Inventor Name | Assigned To Name |
---|---|---|---|---|
17681 | 70/154 | 1857/06/30 | Johnson, Frank G. | |
(comb)(noimage) This lock was manufactured by Johnsons Rotary Lock Co. The patent illustrates the mechanism was intended for padlocks, safes, doors and trunks. |