Donald Duck

[tones]

The DPMA (German Patent and Trade Mark Office) is rather good at coming up with interesting stories. In its latest, it celebrates the birth of the artist who drew Donald Duck for Disney - and relates how a Donald Duck cartoon strip was used to invalidate a patent application!

https://www.dpma.de/english/our_office/publications/milestones/barksdonald/index.html

 

[Vinny]

LOL.
The floatation method reminds me - I used to work in a factory next door to one that made table tennis balls and many sackfulls of mishapes were taken home to fill floatation chambers in sailing dinghies, canoes and the like.