Inventor
Robert W. Fritts
Inventor
Thomasville, NC, US
Overview
16→
Patents
1976–2019
Patent span
General tagging of new technological developments
Primary field (CPC Y)
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G09Fprimary
G09FDisplaying22%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy22%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution22%
F21SNon-portable lighting devices9%
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 emitted9%
F21VFunctional features or details of lighting devices or systems thereof6%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them3%
Y02PClimate change mitigation technologies in the production or processing of goods3%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
PatentTitleYear
10,177,369Method and apparatus for continuously mixing battery pastes20196,711,347'Slide copper system'2004RE037901'Leak resistant battery cover'20025,843,593'Leak resistant battery cover'19985,840,439'Battery cover'19985,731,100'Battery cover'19985,683,830'Leak resistant battery cover'19975,658,068'Fluorescent backlit display'19975,523,930'Fluorescent backlit displays or the like'19965,461,808'Table top backlit display'19955,282,117'Light leveling means for fluorescent backlit displays or the like'1994D0294484'Battery housing'19884,693,949'Storage battery housing'19874,325,197'Quick-erect portable display structure'19823,987,567'Flexible copy section'19763,977,111'Sign structure'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1982Patents assigned to MINNESOTA MINING & MFG (3)· patent assignee history
1976–2004Based in Stillwater, MN, US· patent location history
1976–1982Based in Afton, MN, US· patent location history
1987–1998Patents assigned to DOUGLAS BATTERY MFG (5)· patent assignee history
1987–2019Based in Thomasville, NC, US· patent location history
1994–2019Patents assigned to FRITTS ROBERT W (2)· patent assignee history
2019Patents assigned to CLARK DOUGLAS G (1)· patent assignee history
2019Patents assigned to DEWAR MALCOLM JOHN (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DOUGLAS BATTERY MFG | 5 | 1987–1998 |
| MINNESOTA MINING & MFG | 3 | 1976–1982 |
| FRITTS ROBERT Wself | 2 | 1994–2019 |
| CLARK DOUGLAS G | 1 | 2019 |
| DEWAR MALCOLM JOHN | 1 | 2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Thomasville, NC, US | 8 | 1987–2019 |
| Stillwater, Minnesota, US | 6 | 1976–2004 |
| Afton, Minnesota, US | 2 | 1976–1982 |