Inventor
Russell A. Roiko
Inventor
Rogers, MN, US
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography20%
H01RElectrically-conductive connections20%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests15%
Y10TTechnical subjects covered by former us classification10%
A61MDevices for introducing media into, or onto, the body5%
B41JTypewriters5%
C08LCompositions of macromolecular compounds5%
F16LPipes5%
G02BOptical elements, systems or apparatus5%
H01BCables5%
PatentTitleYear
6,709,110'Optical device for projection system'20046,088,560'Liquid ink replenishment system for liquid electrographic imaging devices'20006,041,805'Valve assembly for a removable ink cartridge'20005,970,273'Ink cartridge for liquid electrographic imaging devices'19995,737,674'Vapor control system for and a liquid electrographic system'19985,552,869'Drying method and apparatus for electrophotography using liquid toners'19964,789,354'Voice/data communication termination connector'19884,415,694'Contact enhancing composition'19834,110,896'Cable connecting station'19784,026,625'Universal connector'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1998Patents assigned to MINNESOTA MINING & MFG (6)· patent assignee history
1977Based in Minneapolis, MN, US· patent location history
1978Based in Osseo, MN, US· patent location history
1983–2004Based in Rogers, MN, US· patent location history
1999–2000Patents assigned to IMATION CORP (3)· patent assignee history
2004Patents assigned to 3M INNOVATIVE PROPERTIES CO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MINNESOTA MINING & MFG | 6 | 1977–1998 |
| IMATION CORP | 3 | 1999–2000 |
| 3M INNOVATIVE PROPERTIES CO | 1 | 2004 |
Locations
| Location | Patents | Span |
|---|---|---|
| Rogers, Minnesota, US | 8 | 1983–2004 |
| Osseo, Minnesota, US | 1 | 1978 |
| Minneapolis, Minnesota, US | 1 | 1977 |