Inventor
John E. Passafiume
Inventor
Lexington, KY, US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E05Bprimary
E05BLocks17%
G07CTime or attendance registers17%
Y10TTechnical subjects covered by former us classification17%
B41JTypewriters8%
G03GElectrography8%
G05BControl or regulating systems in general8%
H01FMagnets8%
H01HElectric switches8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
PatentTitleYear
6,229,421'Autosecuring solenoid'20016,178,791'Electronic reset for solenoid activated control in an electronic lock'20016,006,561'Electronic reset for solenoid activated control in an electronic lock'19995,697,017'Image forming apparatus having process cartridge with shutter and cleaning member'19974,940,348'Platen controlled sheetfeed permitting back-up for erasure'19904,706,008'Self-adjusting homing for a stepping motor'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–1990Patents assigned to IBM (2)· patent assignee history
1987–2001Based in Lexington, KY, US· patent location history
1997Patents assigned to LEXMARK INT INC (1)· patent assignee history
1997Patents assigned to MINOLTA CO LTD (1)· patent assignee history
1999–2001Patents assigned to MAS HAMILTON GROUP INC (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MAS HAMILTON GROUP INC | 3 | 1999–2001 |
| IBM | 2 | 1987–1990 |
| LEXMARK INT INC | 1 | 1997 |
| MINOLTA CO LTD | 1 | 1997 |
Locations
| Location | Patents | Span |
|---|---|---|
| Lexington, KY, US | 6 | 1987–2001 |