Inventor

Francis A. L'Esperance, Jr.

Inventor
Englewood, NJ, US

Overview

29→
Patents
1976–2002
Patent span
Human necessities
Primary field (CPC A)

Patents· 29 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

A61Fprimary
A61FFilters implantable into blood vessels41%
A61BDiagnosis32%
B23KSoldering or unsoldering21%
A61NElectrotherapy3%
A61MDevices for introducing media into, or onto, the body1%
F02BInternal-combustion piston engines1%
PatentTitleYear
6,494,576'Method and apparatus for spectrophotometry of the eye'20026,033,418'Method and device for corneal shaping and refractive correction'20005,964,775'Method and device for corneal shaping and refractive correction'19995,807,379'Ophthalmic method and apparatus for laser surgery of the cornea'19985,507,741'Ophthalmic method for laser surgery of the cornea'19965,312,320'Apparatus for performing ophthalmological surgery'19945,300,020'Surgically implantable device for glaucoma relief'19945,263,950'Phaco-extractor for fragmenting cataractous-lens situs of fragmentation'19935,257,988'Apparatus for phacoemulsifying cataractous-lens tissue within a protected environment'19935,219,343'Apparatus for performing ophthalmogolical surgery'19935,207,668'Method for opthalmological surgery'19935,188,631'Method for opthalmological surgery'19934,951,663'Method for enhanced sterilization of a living-tissue area of prospective surgical invasion'19904,931,053'Method and apparatus for enhanced vascular or other growth'19904,911,711'Sculpture apparatus for correcting curvature of the cornea'19904,903,695'Method and apparatus for performing a keratomileusis or the like operation'19904,798,204'Method of laser-sculpture of the optically used portion of the cornea'19894,773,414'Method of laser-sculpture of the optically used portion of the cornea'19884,770,172'Method of laser-sculpture of the optically used portion of the cornea'19884,732,148'Method for performing ophthalmic laser surgery'19884,729,372'Apparatus for performing ophthalmic laser surgery'19884,721,379'Apparatus for analysis and correction of abnormal refractive errors of the eye'19884,718,418'Apparatus for ophthalmological surgery'19884,669,466'Method and apparatus for analysis and correction of abnormal refractive errors of the eye'19874,665,913'Method for ophthalmological surgery'19874,580,559'Indirect ophthalmoscopic photocoagulation delivery system for retinal surgery'19864,538,608'Method and apparatus for removing cataractous lens tissue by laser radiation'19854,435,856'Bifocal intraocular lens structure and spectacle actuation frame'19843,982,541'Eye surgical instrument'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1985Patents assigned to ESPERANCE JR FRANCIS A L (2)· patent assignee history
1976Based in New York, NY, US· patent location history
1984–1986Patents assigned to ESPERANCE FRANCIS A L (2)· patent assignee history
1984–2002Based in Englewood, NJ, US· patent location history
1987–1990Patents assigned to LRI L P (10)· patent assignee history
1990–1993Patents assigned to ESPERANCE MED TECH (4)· patent assignee history
1993–1998Patents assigned to VISX INC (5)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
LRI L P101987–1990
VISX INC51993–1998
ESPERANCE MED TECH41990–1993
ESPERANCE FRANCIS A L21984–1986
ESPERANCE JR FRANCIS A L21976–1985
Locations
LocationPatentsSpan
Englewood, New Jersey, US281984–2002
New York, New York, US11976