Anonymous ID: d42cb1 June 4, 2021, 7:04 p.m. No.13832294   🗄️.is 🔗kun

>>13832274

 

https://patentimages.storage.googleapis.com/16/eb/99/18629ef9d9a786/US6514984.pdf

 

https://patentimages.storage.googleapis.com/f4/63/d8/8fb6ca10a886f8/US20040248858A1.pdf