A plate by another name is simply a plate named differently.....
Some parts may be 'value engineered', as I've experienced in other pursuits...
Should still be less expensive to swap out what offends your sensibilities, and still be $ ahead.
Yes, our Chinese brothers are known to ignore patents of all stripes, and can be found occurring elsewhere.
Vote with your purchase, discern with your ears, and get back to us on the results.
And thanks paid forward for the effort. *S* ;)