Inventor

BALCH THOMAS A

US6 patents

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

YOUNGER MFG

4 patents

US6926405B2Aug 9, 2005

Eyewear lens having selective spectral response

YOUNGER MFG67 citations95

US7688431B1Mar 30, 2010

Dispersion demonstrator for eyewear lenses

YOUNGER MFG16 citations80

US7582235B2Sep 1, 2009

Method of manufacturing optical-quality polarized part incorporating high-impact polyurethane-based material

YOUNGER MFG3 citations61

US7326373B2Feb 5, 2008

Method for forming a wafer for use in an optical part

YOUNGER MFG4 citations53

YOUNGER MFG CO DBA YOUNGER OPT

1 patent

US7002744B2Feb 21, 2006

Polarized optical part using high impact polyurethane-based material

YOUNGER MFG CO DBA YOUNGER OPT41 citations88

INDIZEN OPTICAL TECHNOLOGIES S I

1 patent

US8042941B2Oct 25, 2011

Lens with continuous power gradation

INDIZEN OPTICAL TECHNOLOGIES S I13 citations72