Inventor
Samuel Loshaek
Inventor
Chicago, IL, US
Overview
Patents· 22 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus29%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds14%
B29DProducing particular articles from plastics or from substances in a plastic state10%
G02CSpectacles10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
A61FFilters implantable into blood vessels5%
A61LMethods or apparatus for sterilising materials or objects in general5%
B41MPrinting, duplicating, marking, or copying processes5%
A45CPurses2%
B29CShaping or joining of plastics2%
PatentTitleYear
5,491,091'Contact lens disinfecting system'19965,316,700'Method and apparatus for removing excess lens forming material'1994RE033477'Ultraviolet absorbing hydrophilic corneal contact lenses'19904,963,159'Hydrophilic colored contact lens'19904,857,072'Hydrophilic colored contact lenses'19894,668,240'Pigment colored contact lenses and method for making same'19874,549,794'Hydrophilic bifocal contact lens'1985RE031422'Hydrophilic polymers and contact lenses of high water content'19834,405,773'Hydrophylic contact lenses and methods for making same'19834,390,676'Ultraviolet absorbing lenses'19834,312,725'Contact lenses of high gas permeability and method'19824,304,895'Ultraviolet absorbing corneal contact lenses'19814,228,269'Contact lenses of high gas permeability'1980RE030368'Gas-permeable lens'19804,182,802'Hydrophilic polymers and contact lenses of high water content'19804,158,089'Contact lenses of high water content'19794,111,535'Gas-permeable lens'19784,109,070'Method of producing optically clear hydrophilic copolymers and contact lenses'19784,028,295'Hydrophilic polymer and contact lens'19774,013,576'Contact lens treating composition'1977D0243290'Contact lens carrier'19774,002,234'Contact lens container'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1982Patents assigned to JESSEN INC WESLEY (10)· patent assignee history
1977–1996Based in Chicago, IL, US· patent location history
1980Patents assigned to LOSHAEK SAMUEL (1)· patent assignee history
1980Patents assigned to SHEN CHAH M (1)· patent assignee history
1983–1996Patents assigned to SCHERING CORP (7)· patent assignee history
1994Patents assigned to JESSEN WESLEY CORP (1)· patent assignee history
1994Based in Longboat Key, FL, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| JESSEN INC WESLEY | 10 | 1977–1982 |
| SCHERING CORP | 7 | 1983–1996 |
| JESSEN WESLEY CORP | 1 | 1994 |
| LOSHAEK SAMUELself | 1 | 1980 |
| SHEN CHAH M | 1 | 1980 |
Locations
| Location | Patents | Span |
|---|---|---|
| Chicago, Illinois, US | 21 | 1977–1996 |
| Longboat Key, Florida, US | 1 | 1994 |