Inventor

Jerry A. Sievers

Inventor
Mendota Heights, MN, US

Overview

4→
Patents
1976–2007
Patent span
Physics
Primary field (CPC G)

Patents· 4 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B32Bprimary
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form29%
G02BOptical elements, systems or apparatus29%
G11BInformation storage based on relative movement between record carrier and transducer14%
G21KHandling of particles or ionising radiation not otherwise provided for14%
H01JElectric discharge tubes or discharge lamps14%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1987Patents assigned to MINNESOTA MINING & MFG (2)· patent assignee history
1976Based in Stillwater, MN, US· patent location history
1987Based in St. Paul, MN, US· patent location history
2005–2007Patents assigned to 3M INNOVATIVE PROPERTIES CO (2)· patent assignee history
2005–2007Based in Mendota Heights, MN, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
3M INNOVATIVE PROPERTIES CO22005–2007
MINNESOTA MINING & MFG21976–1987
Locations
LocationPatentsSpan
Mendota Heights, Minnesota, US22005–2007
St. Paul, Minnesota, US11987
Stillwater, Minnesota, US11976