Inventor
Lee R. Estelle
Inventor
Rochester, NY, US
Overview
Patents· 33 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus79%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them11%
A47LDomestic washing or cleaning3%
B24BMachines, devices, or processes for grinding or polishing3%
G05BControl or regulating systems in general3%
Y02PClimate change mitigation technologies in the production or processing of goods3%
PatentTitleYear
6,084,724'Glass coated cemented plastic doublets and method for making'20005,991,096'Zoom lens'19995,875,059'Variable focal length lens system having a divergent front lens unit'19995,805,348'Lens system with reduced sensitivities and a method of manufacturing'19985,768,030'Compact small format lens system'19985,745,307'Cluster lens system such as for use in photographic printers'19985,717,525'Zoom lenses'19985,703,721'Optical magnifier'19975,671,092'Reverse Galilean finder with projected front window'19975,650,878'Compact lens system and a method for making such'19975,642,231'Compact 3X zoom lens'19975,602,676'Compact zoom lens with reduced aspheric decenter sensitivity'19975,589,989'Compact objective lens system'19965,572,369'Triplet-type lens for use in a compact photographic camera'19965,502,597'Wide-angle photographic lens system and a photographic camera'19965,500,703'Real image zoom viewfinder'19965,486,895'Optical system for printing normal and panoramic images'19965,473,473'Two element plastic zoom camera lens'19955,428,415'Slide projector for front and rear projection'19955,381,269'Zoom lens'19955,270,861'Zoom lens system for use in a compact camera'19935,270,867'Compact zoom lens having a weak front lens group'19935,255,123'Microfilm reader/printer zoom lens system'19935,247,324'Real image zoom viewfinder'19935,132,846'Microfilm reader/printer zoom lens'19925,067,067'Method for evaluating and designing lenses'19914,991,945'Zoom lens'19914,991,946'Finite conjugate projection lens system'19914,948,239'Zoom lens'19904,934,795'Zoom lens'19904,791,700'Fresnel lens illuminator for vacuum cleaner'19884,756,609'Four component compact zoom lens'19884,743,103'Lenses for photographic printers'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–2000Patents assigned to EASTMAN KODAK CO (32)· patent assignee history
1988Patents assigned to SCOTT & FETZER CO (1)· patent assignee history
1988–2000Based in Rochester, NY, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| EASTMAN KODAK CO | 32 | 1988–2000 |
| SCOTT & FETZER CO | 1 | 1988 |
Locations
| Location | Patents | Span |
|---|---|---|
| Rochester, New York, US | 33 | 1988–2000 |