Inventor
Grant S. Quam
Inventor
Owatonna, MN, US
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E04Hprimary
E04HBuildings or like structures for particular purposes20%
E04FFinishing work on buildings, e.g. stairs, floors15%
Y10TTechnical subjects covered by former us classification15%
E05DHinges or suspension devices for doors, windows or wings10%
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 thereof10%
E06BFixed or movable closures for openings in buildings, vehicles, fences or like enclosures in general, e.g. doors, windows, blinds, gates10%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges10%
A47BTables5%
H01RElectrically-conductive connections5%
PatentTitleYear
8,215,246'Portable staging and leg bracket therefor'20126,725,968'Acoustic door assembly with continuous cam hinge'20046,520,288'Acoustic door assembly'20036,106,186'Modular portable stage system'20006,006,680'Portable stage assembly'19995,848,501'Modular portable system'19985,769,560'Portable stage module fastening device'19984,596,440'Electrical probe contact'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986Patents assigned to JOHNSON CO E F (1)· patent assignee history
1986–2012Based in Owatonna, MN, US· patent location history
1998–2012Patents assigned to WENGER CORP (7)· patent assignee history
2012Patents assigned to QUAM GRANT S (1)· patent assignee history
2012Patents assigned to THIEDE MARTIN E (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| WENGER CORP | 7 | 1998–2012 |
| JOHNSON CO E F | 1 | 1986 |
| QUAM GRANT Sself | 1 | 2012 |
| THIEDE MARTIN E | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Owatonna, Minnesota, US | 8 | 1986–2012 |