Inventor · Danville, CA, US

Dan W. Freeman

10Patents
6h-index
7Co-inventors
59Inventor score

Filing activity: Nov 20, 1996 → Sep 30, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
USD438886S Eyeglass components General 115 Expired
USD537097S1 Eyewear with removable insert General 64 Expired
USD537860S1 Eyewear with removable insert General 19 Expired
USD495356S1 Glasses with gaskets around eye apertures General 16 Expired
USD392992S Sunglass temple General 16 Expired
USD388454S Temple for sunglasses General 15 Expired
USD438888S Eyeglass earstem General 4 Expired
US10216011B2 Eyewear measuring systems, methods and devices Human Necessities 1 Active
US10426664B2 Eyewear with ventilation openings Physics 1 Active
US11191671B2 Eyewear with ventilation openings Physics 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.