Originally Posted by KRAKMT
Originally Posted by DesertMuleDeer
Originally Posted by Swifty52
Why do you think Ruger and Cooper quit chambering the PPC? Ruger lost a patent and/or trademark case as the inventors locked it up for royalties. So it’s not just Jamison, which by the way he was right.

The only problem with the Jamison argument is there was a near identical cartridge that pre-dated his by 40 years or so.

Jamison sued for contract violations AND intellectual property claims. People should read the actual complaint. It is floating around on the internet.

https://casetext.com/case/jamison-v-olin-corporation-winchester-division-3

It's been a while since I've read the actual opinion but my memory is Jamsion lost a summary judgment on the patent claims and what settled was a theft of trade secrets that he took the idea to Winchester/baco who cut him put when they started production on the idea