Inventor
John E. Richard
Inventor
Rogers, MN, US
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y10Sprimary
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests24%
Y10TTechnical subjects covered by former us classification24%
H05KPrinted circuits14%
B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers5%
E05BLocks5%
E05CBolts or fastening devices for wings, specially for doors or windows5%
E05DHinges or suspension devices for doors, windows or wings5%
E05YIndexing scheme associated with subclasses e05d and e05f, relating to construction elements, electric control, power supply, power signal or transmission, user interfaces, mounting or coupling, details, accessories, auxiliary operations not otherwise provided for, application thereof5%
F24CDomestic stoves or ranges5%
G11BInformation storage based on relative movement between record carrier and transducer5%
PatentTitleYear
7,071,409'Electrical enclosure having improved sealing and shielding component and method of manufacture thereof'20066,564,428'Compound hinge'20036,408,506'Electrical enclosure having improved sealing and shielding component and method of manufacture thereof'20026,188,014'Electrical enclosure having improved sealing and shielding component and method of manufacture thereof'20015,481,889'Mechanical latch system'19964,881,645'Security cassette holdr having integrally formed retaining ramps'19894,790,448'Container and lid with tamper evident closure'19884,082,078'Pyrolytic lock assembly'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978Patents assigned to LITTON SYSTEMS INC (1)· patent assignee history
1978Based in Buffalo, MN, US· patent location history
1988Patents assigned to LIBERTY DIVERSIFIED IND (1)· patent assignee history
1988–1989Based in Rockford, MN, US· patent location history
1989Patents assigned to SHAMROCK IND INC (1)· patent assignee history
1996Patents assigned to FEDERAL HOFFMANN INC (1)· patent assignee history
1996–2006Based in Rogers, MN, US· patent location history
2001–2006Patents assigned to HOFFMAN ENCLOSURES INC (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HOFFMAN ENCLOSURES INC | 4 | 2001–2006 |
| FEDERAL HOFFMANN INC | 1 | 1996 |
| LIBERTY DIVERSIFIED IND | 1 | 1988 |
| LITTON SYSTEMS INC | 1 | 1978 |
| SHAMROCK IND INC | 1 | 1989 |
Locations
| Location | Patents | Span |
|---|---|---|
| Rogers, Minnesota, US | 5 | 1996–2006 |
| Rockford, Minnesota, US | 2 | 1988–1989 |
| Buffalo, Minnesota, US | 1 | 1978 |