I am puzzled about the $50 Royalty Coates is requi
Post# of 3601
1 - Coates buys the gensets from a manufacture without the valve head.
2 - Coates then adapts their valve head assembly.
3 - Coates ships the new assembly.
Coates profits will be included in the price they charge for the units.
The $50 Royalty seems more trouble that it would be worth.