Inventor
Robert L. Graves
Inventor
Methuen, MA, US
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus18%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them18%
H04NPictorial communication, e.g. television18%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation12%
H10KOrganic electric solid-state devices12%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution12%
Y02PClimate change mitigation technologies in the production or processing of goods12%
PatentTitleYear
10,317,787Multilayered screens for scanning beam display systems201910,095,099Multilayered screens for scanning beam display systems20189,690,181'Multilayered screens for scanning beam display systems'20178,574,947'Methods of preparing photovoltaic modules'20137,932,124'Methods of preparing photovoltaic modules'2011Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2011–2019Based in Methuen, MA, US· patent location history
2013Patents assigned to BRABEC CHRISTOPH JOSEF (1)· patent assignee history
2013Patents assigned to ECKERT ROBERT D (1)· patent assignee history
2013Patents assigned to GRAVES JR ROBERT L (1)· patent assignee history
2013Patents assigned to HAUCH JENS (1)· patent assignee history
2017–2019Patents assigned to PRYSM INC (3)· patent assignee history
2017Based in Mathuen, MA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PRYSM INC | 3 | 2017–2019 |
| BRABEC CHRISTOPH JOSEF | 1 | 2013 |
| ECKERT ROBERT D | 1 | 2013 |
| GRAVES JR ROBERT Lself | 1 | 2013 |
| HAUCH JENS | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Methuen, Massachusetts, US | 4 | 2011–2019 |
| Mathuen, Massachusetts, US | 1 | 2017 |