Inventor

BARKAN ERIC FRANKLIN

US2 patents

⚠️ This page may combine multiple inventors who share the name “BARKAN ERIC FRANKLIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SOLA INT HOLDINGS

1 patent

US5861935AJan 19, 1999

Progressive lens elements and methods for designing and using same

SOLA INT HOLDINGS85 citations93

SOLA INTERNATIONAL HOLDINGS IN

1 patent

US6074062AJun 13, 2000

Progressive lens elements and methods for designing and using same

SOLA INTERNATIONAL HOLDINGS IN48 citations90