Thank you for the info & link. I still never found a name on it , but saw pix of 2 brands that looked just about alike.[ see link below ] I don't have the other rear wheel, & parts.
I will call this a " transition bike, because it looks to be 1/2 tricycle & 1/2 bike. I have not found any markings on the bike. It stands 23" tall, with a 15" front wheel & 9" rear . Tires are solid.Very heavy for its size, even though it looks like aluminum alloy. A magnet does not stick to...
Some on this website will give you an idea of what to expect to pay. Of course, finding a local one by owner may be a lot cheaper.