1920s French Brevet d’Invention Patent Archive (Lot of Four) divider factory-floor origin

factory-floor origin

A compact example of small-scale restaurant advertising with strong graphic presence

- Leominster

Mounting holes are present at the corners and along the centerline

Surface wear and paint loss throughout

1920s French Brevet d’Invention Patent Archive (Lot of Four) divider factory-floor originc. 1920s; Rpublique Franaise Johnson Lock Co. Paris, France Chicago Group of four original French patent document sets ("Brevet d'Invention") relating to mechanical innovations attributed to Johnson Lock Co., each bearing official French government formatting and typographic seals. These documents represent formal international patent filings or protections, extending American mechanical inventions into the European market during a period of rapid