Inventor
Walter P. Siegmund
Inventor
Woodstock, CT, US
Overview
Patents· 30 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C03Bprimary
C03BManufacture, shaping, or supplementary processes25%
G02BOptical elements, systems or apparatus19%
A61BDiagnosis17%
C03CChemical composition of glasses, glazes or vitreous enamels8%
H01JElectric discharge tubes or discharge lamps8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
A61FFilters implantable into blood vessels4%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them4%
G03GElectrography4%
B26BHand-held cutting tools not otherwise provided for2%
PatentTitleYear
5,630,784'Method of making and using a rigid endoscope having a modified high refractive index tunnel rod'19975,423,312'Rigid endoscope having modified high refractive index tunnel rod for image transmission and method of manufacture thereof'19955,266,808'Particle detector and method using a helical array of scintillators'19934,947,828'Endoscope connector'19904,919,112'Low-cost semi-disposable endoscope'19904,902,129'Orientation indicator for a flexible fiberscope or endoscope including method of manufacture'19904,598,698'Diagnostic device'19864,588,294'Searching and measuring endoscope'19864,580,551'Flexible plastic tube for endoscopes and the like'19864,578,096'Gradient index optical components'19864,414,009'Method of making an image intensifier faceplate'19834,393,322'Image intensifier faceplate'19834,391,621'Method of making lenses having a spherical face'19834,378,952'Dynamic image enhancer for fiberscopes'19834,345,833'Lens array'19824,290,421'Fiberscope'19814,246,016'Method of making graded refractive index fibers and rods'19814,231,775'Method of making ommateal lenses and plates'19804,190,347'Line illuminator'19804,182,547'Image focusing apparatus for fiberscopes'19804,175,940'Method for making fiber optics fused arrays with improved blemish quality'19794,154,502'Dynamic image enhancer for fiberscopes'19794,141,624'Dynamic image enhancement for fiberscopes'19794,071,343'Method of making intraocular lenses'19784,031,423'Channel structure for multi-channel electron multipliers and method of making same'19774,028,082'Method of making artificial intraocular lenses with holes'19774,025,965'Intraocular lenses'19774,011,071'Method of making glass shaving instrument'19773,989,495'Method of making optical prisms'19763,979,637'Microchannel plates and method of making same'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1983Patents assigned to AMERICAN OPTICAL CORP (17)· patent assignee history
1976–1986Based in Woodstock, CT, US· patent location history
1983–1986Patents assigned to WARNER LAMBERT TECH (7)· patent assignee history
1986–1997Based in Pomfret Center, CT, US· patent location history
1990Patents assigned to SCHOTT FIBER OPTICS (3)· patent assignee history
1990–1993Based in Windham, CT, US· patent location history
1993–1997Patents assigned to SCHOTT FIBER OPTICS INC (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AMERICAN OPTICAL CORP | 17 | 1976–1983 |
| WARNER LAMBERT TECH | 7 | 1983–1986 |
| SCHOTT FIBER OPTICS | 3 | 1990 |
| SCHOTT FIBER OPTICS INC | 3 | 1993–1997 |
Locations
| Location | Patents | Span |
|---|---|---|
| Woodstock, CT, US | 22 | 1976–1986 |
| Pomfret Center, CT, US | 4 | 1986–1997 |
| Windham, CT, US | 4 | 1990–1993 |