Inventor
Joseph S. Wegrzyn
Inventor
Stratford, CT, US
Overview
Patents· 19 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F21Sprimary
F21SNon-portable lighting devices24%
F21VFunctional features or details of lighting devices or systems thereof24%
LOC2014%
LOC2610%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light5%
G01NInvestigating or analysing materials by determining their chemical or physical properties5%
G09FDisplaying5%
H02JElectric power networks5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
Y10TTechnical subjects covered by former us classification5%
PatentTitleYear
7,147,348'Emergency lighting fixture having adjustable reflector and lamp assembly'20067,093,957'Adjustable double-arcuate reflector for an emergency lighting fixture'20066,594,010'Emission spectrometer having a charge coupled device detector'20036,280,042'Emergency lighting device'2001D0441475'Housing of emergency lighting fixture'2001D0426334'Emergency lighting fixture'20006,045,242'Lighting fixture'20006,043,881'Sample cell for gaseous emission spectroscopy'20006,019,477'Emergency lighting device'2000D0406863'Panel for an exit sign having a curved face'1999D0406279'Combination emergency lighting device and exit sign'1999D0402316'Sign having a curved face'19985,685,098'Snap tab arrangement for covering and uncovering a sign apparatus directional indicator'1997D0357997'Fixed lens emergency lighting unit'1995D0344983'Exit sign'1994D0344293'Insert for exit signs'1994D0314750'Male electrical connector'1991D0314751'Female electrical connector'19914,885,474'Connector assembly for plug-in energization and battery activation of an associated electrical apparatus'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–2001Patents assigned to DUAL LITE INC (7)· patent assignee history
1989–2001Based in Stratford, CT, US· patent location history
1994–1999Patents assigned to GEN SIGNAL CORP (5)· patent assignee history
1998–1999Patents assigned to GSEG LLC (2)· patent assignee history
2000–2003Patents assigned to PRAXAIR TECHNOLOGY INC (2)· patent assignee history
2000–2003Based in Sanborn, NY, US· patent location history
2006Patents assigned to HUBBELL INC (2)· patent assignee history
2006Based in Milford, CT, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DUAL LITE INC | 7 | 1989–2001 |
| GEN SIGNAL CORP | 5 | 1994–1999 |
| GSEG LLC | 2 | 1998–1999 |
| HUBBELL INC | 2 | 2006 |
| PRAXAIR TECHNOLOGY INC | 2 | 2000–2003 |
Locations
| Location | Patents | Span |
|---|---|---|
| Stratford, CT, US | 15 | 1989–2001 |
| Milford, CT, US | 2 | 2006 |
| Sanborn, New York, US | 2 | 2000–2003 |