Inventor
Jonathan H. Alexander
Inventor
Roseville, MN, US
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G10Kprimary
G10KSound-producing devices25%
Y10TTechnical subjects covered by former us classification19%
E04BGeneral building constructions13%
B29CShaping or joining of plastics6%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form6%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for6%
D04HMaking textile fabrics, e.g. from fibres or filamentary material6%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general6%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof6%
F24FAir-conditioning6%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2001–2019Patents assigned to 3M INNOVATIVE PROPERTIES CO (5)· patent assignee history
2001Patents assigned to PURDUE RESEARCH FOUNDATION (1)· patent assignee history
2001–2019Based in Roseville, MN, US· patent location history
2013Patents assigned to ALEXANDER JONATHAN H (2)· patent assignee history
2013Patents assigned to SLAMA DAVID F (2)· patent assignee history
2013Patents assigned to CLARKE GRAHAM M (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| 3M INNOVATIVE PROPERTIES CO | 5 | 2001–2019 |
| ALEXANDER JONATHAN Hself | 2 | 2013 |
| SLAMA DAVID F | 2 | 2013 |
| CLARKE GRAHAM M | 1 | 2013 |
| PURDUE RESEARCH FOUNDATION | 1 | 2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Roseville, Minnesota, US | 5 | 2001–2019 |