Inventor

ROBERT C. GARDNER

Inventor

Overview

3→

Patents

2022–2023

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 3 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 thereof25%

G02BOptical elements, systems or apparatus17%

H01LSemiconductor devices17%

H10HInorganic light-emitting semiconductor devices having potential barriers17%

F21KNon-electric light sources using luminescence8%

F21SNon-portable lighting devices8%

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 emitted8%

PatentTitleYear

11,703,631Illumination devices including multiple light emitting elements2023 11,353,167Light-emitting devices providing asymmetrical propagation of light2022 11,339,948Light-emitting device and luminaire incorporating same2022

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022–2023Patents assigned to QUARKSTAR LLC (3)· patent assignee history

2022–2023Based in US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
QUARKSTAR LLC	3	2022–2023

Locations

Location	Patents	Span
US	3	2022–2023