Inventor
Donald F. Evans
Inventor
Pinehurst, NC, US
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F21Vprimary
F21VFunctional features or details of lighting devices or systems thereof19%
F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to the form or the kind of the light sources or of the colour of the light emitted19%
F21SNon-portable lighting devices15%
H01RElectrically-conductive connections12%
H02JElectric power networks12%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests12%
A01KAnimal husbandry8%
F21LLighting devices or systems thereof, being portable or specially adapted for transportation4%
PatentTitleYear
7,452,099'Portable light device'20087,355,349'Apparatus and methods for providing emergency safety lighting'20087,045,975'Apparatus and methods for providing emergency safety lighting'20066,986,589'Apparatus and methods for providing an emergency lighting augmentation system'20066,752,515'Apparatus and methods for providing emergency lighting'20046,206,947'Process for making an animal litter comprising gypsum, aluminum sulfate and urea'20016,029,603'Animal litter comprising gypsum and aluminum sulfate and processes of making same'2000Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2000–2001Patents assigned to WASTE REDUCTION PRODUCTS CORP (2)· patent assignee history
2000–2008Based in Pinehurst, NC, US· patent location history
2004–2008Patents assigned to CYBERLUX CORP (5)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CYBERLUX CORP | 5 | 2004–2008 |
| WASTE REDUCTION PRODUCTS CORP | 2 | 2000–2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Pinehurst, NC, US | 7 | 2000–2008 |