Patent 17681

Inventor: Johnson, Frank G.

View on USPTO / Google Patents ↗

Patent # 17681

Issue Date June 30, 1857

Inventor Johnson, Frank G.

Type Combination

Patent Drawings

Drawing 1

Patent Notes

This lock was manufactured by Johnsons Rotary Lock Co. The patent illustrates the mechanism was intended for padlocks, safes, doors and trunks. | Classification: 70/154

Patent Details

Patent Number	17681
Issue Date	June 30, 1857
Inventor	Johnson, Frank G.
Patent Type	Combination
External Link	https://patents.google.com/patent/US17681 ↗

← 18169

↑ Back to Patent Database

18169 →