StoneRoad2013's photos with the keyword: patent

A Milner's "improved" patent wall-mounted safe.

Text of an advert [dated 1896] for the Maxwell locks. These were fitted to the 1899 Hurst Nelson carriage now known as F37. no patent numbers ... further research due ! not my image : fair use & public information

The countries for and against waiving protective patents on Covid vaccinations. An interesting dichotomy. NOT my Image : Fair use & public information