St. Catharines
Canada
10
2022-08-18
The entities that hold a legal rights for patent applications filed by inventor Duncan David:
David Duncan from St. Catharines, CA has applied for patents for these inventions. The list has both pending applications and granted patents:
Method providing superimposed machine readable tags for dispenser and replaceable reservoir
#2 | 2021-08-05Interactive display device
#3 | 2021-08-05Interactive display device
#4 | 2020-08-13Method providing superimposed machine readable tags for dispenser and replaceable reservoir
#5 | 2019-10-17Method providing superimposed QR code for dispenser and replaceable reservoir
#6 | 2019-03-07Interactive display device
#7 | 2017-11-23Superimposed QR code for dispenser and replaceable reservoir
#8 | 2017-08-03Interactive display device
#9 | 2017-05-25Levitation fluid dispenser
#10 | 2015-02-05Dispenser shroud
1055632 ⎘