Patents/Inventors

David Duncan

St. CatharinesCA2 patents

3 Patents

US121378512024
Interactive Display Device
Op-hygiene IP GmbH
0 cites
US119803272024
Interactive Display Device
OP-HYGIENE IP GmbH
0 cites
US117207752023
Method Providing Superimposed Machine Readable Tags for Dispenser and Replaceable Reservoir
OP-HYGIENE IP GmbH
0 cites