Patent Nonsense

Patent Nonsense

I found an old blog article in an archive folder of my hard drive. Although I wrote it in August 2011, it seems still valid...
I found an old blog article in an archive folder of my hard drive. Although I wrote it in August 2011, it seems still valid to me. Read yourself: If you have an electronic calculator at hand please turn it around and have a closer look at its back side. Chances are good that you find beside the producer's name and model a list of say 6 to 10 US patents listed. Electronic pocket calculators are in widespread use for more than 50 years. The typical function didn't change much over this time. So, what could be patented in this...