View Single Post
  #26  
Old March 25th 19, 06:02 PM posted to rec.aviation.soaring
[email protected]
external usenet poster
 
Posts: 5
Default Borgelt Dynamis variometer

On Monday, March 25, 2019 at 1:08:29 AM UTC+1, Charlie Quebec wrote:
Yeh why not give away the fruits of many years of research, so others can copy it, sounds like a great idea to promote your business.


Ever heard of a concept called "Patent"?