Inventor
Edward A. Travnicek
Inventor
Southbridge, MA, US
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus18%
B29DProducing particular articles from plastics or from substances in a plastic state10%
G02CSpectacles10%
B29CShaping or joining of plastics6%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts6%
B29LIndexing scheme associated with subclass b29c, relating to particular articles6%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds6%
C09KMaterials for miscellaneous applications, not provided for elsewhere6%
Y10TTechnical subjects covered by former us classification6%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form4%
PatentTitleYear
8,128,224'Injection molding of lens'20127,077,985'Injection molding of lens'20066,420,514'Transparent polysulfone articles with reduced spurious coloration'20026,337,409'Photochromic naphthopyran compounds'20025,759,450'Photochromic naphthopyran compounds'19985,705,102'Photochromic spironaphthopyran compounds'19985,628,935'Photochromic spironaphthopyran compounds'19975,531,935'Photochromic naphthopyran compounds'19964,165,158'Cast contact lenses and method for making same'19794,141,941'Contact lens casting method'19794,135,792'All plastic spectacles'19794,127,638'Process for casting polymer rods'19784,114,993'Finished silicone contact lenses'19784,102,567'Material for fabrication of artificial intraocular lenses and hard contact lenses'19783,996,187'Optically clear filled silicone elastomers'19763,996,189'Optically clear filled silicone elastomers'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1979Patents assigned to AMERICAN OPTICAL CORP (8)· patent assignee history
1976–1979Based in Southbridge, MA, US· patent location history
1976Based in Worcester, MA, US· patent location history
1996Patents assigned to BMC IND INC (1)· patent assignee history
1996–2002Based in Coral Springs, FL, US· patent location history
1997–2002Patents assigned to VISION EASE LENS INC (5)· patent assignee history
2002–2012Based in Ramsey, MN, US· patent location history
2012Patents assigned to HAGE MARTIN L (1)· patent assignee history
2012Patents assigned to INSIGHT EQUITY A P X LP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AMERICAN OPTICAL CORP | 8 | 1976–1979 |
| VISION EASE LENS INC | 5 | 1997–2002 |
| BMC IND INC | 1 | 1996 |
| HAGE MARTIN L | 1 | 2012 |
| INSIGHT EQUITY A P X LP | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Southbridge, Massachusetts, US | 7 | 1976–1979 |
| Coral Springs, Florida, US | 5 | 1996–2002 |
| Ramsey, Minnesota, US | 3 | 2002–2012 |
| Worcester, Massachusetts, US | 1 | 1976 |