Inventor

Eric J. Walstra

Inventor
Grand Rapids, MI, US

Overview

18→
Patents
1996–2014
Patent span
Performing operations
Primary field (CPC B)

Patents· 18 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 for14%
B60QArrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general13%
H01QAntennas, i.e. radio aerials9%
G01SRadio direction-finding8%
G02BOptical elements, systems or apparatus7%
B60CVehicle tyres6%
G01CMeasuring distances, levels or bearings6%
G06VImage or video recognition or understanding6%
B60WConjoint control of vehicle sub-units of different type or different function4%
E02FDredging4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–2002Patents assigned to LASER ALIGNMENT (3)· patent assignee history
1996–2014Based in Grand Rapids, MI, US· patent location history
2000–2014Patents assigned to GENTEX CORP (15)· patent assignee history
2011–2014Patents assigned to BUSH GREGORY S (2)· patent assignee history
2011–2014Patents assigned to STAM JOSEPH S (2)· patent assignee history
2011–2014Patents assigned to WALSTRA ERIC J (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GENTEX CORP152000–2014
LASER ALIGNMENT31996–2002
BUSH GREGORY S22011–2014
STAM JOSEPH S22011–2014
WALSTRA ERIC Jself22011–2014
Locations
LocationPatentsSpan
Grand Rapids, MI, US181996–2014