Inventor
Christian M. Kemperman
Inventor
Grand Haven, MI, US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B60Rprimary
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for25%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein17%
B60JWindows, windscreens, non-fixed roofs, doors, or similar devices for vehicles8%
B64CAeroplanes8%
E06BFixed or movable closures for openings in buildings, vehicles, fences or like enclosures in general, e.g. doors, windows, blinds, gates8%
G02BOptical elements, systems or apparatus8%
H04NPictorial communication, e.g. television8%
H05KPrinted circuits8%
Y10TTechnical subjects covered by former us classification8%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2012–2019Patents assigned to GENTEX CORP (4)· patent assignee history
2012–2017Patents assigned to CAMMENGA DAVID J (2)· patent assignee history
2012–2017Patents assigned to KEMPERMAN CHRISTIAN M (2)· patent assignee history
2012–2017Patents assigned to MINIKEY JR DANNY L (2)· patent assignee history
2012Patents assigned to ANDERSON JOHN S (1)· patent assignee history
2012–2019Based in Grand Haven, MI, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GENTEX CORP | 4 | 2012–2019 |
| CAMMENGA DAVID J | 2 | 2012–2017 |
| KEMPERMAN CHRISTIAN Mself | 2 | 2012–2017 |
| MINIKEY JR DANNY L | 2 | 2012–2017 |
| ANDERSON JOHN S | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Grand Haven, MI, US | 4 | 2012–2019 |