If you’ve got even a grain of engineering in your genes, stay away from the US Patent Office online. Going there could wreck your job and your marriage. You could even end up in rehab. If you do go there, a couple of tips. The query system is easy but you probably need to study the help tips for at least five minutes. Key thing is once you find an interesting patent, click on ALL the back referenced patents “References Cited” That’s where you can really have some fun.
Ramer’s first heel riser really was a coil spring. If that ain’t trivia I don’t know what is. And, it did make for some ribald jokes.