LexDanaLexDanabeta
Inventor

Robert P. Groschen, Jr.

Inventor
Rochester, MN, US

Overview

2→
Patents
1996–2003
Patent span
Physics
Primary field (CPC G)

Patents· 2 as inventor

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

G01Bprimary
G01BMeasuring length, thickness or similar linear dimensions50%
G11BInformation storage based on relative movement between record carrier and transducer50%
PatentTitleYear
6,614,607'Servo pattern recording method and system'20035,523,839'Differential optical interferometric profilomenty for real time manufacturing control'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996Patents assigned to MINNESOTA MINING & MFG (1)· patent assignee history
1996Based in White Bear Lake, MN, US· patent location history
2003Patents assigned to IMATION CORP (1)· patent assignee history
2003Based in Rochester, MN, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IMATION CORP12003
MINNESOTA MINING & MFG11996
Locations
LocationPatentsSpan
Rochester, Minnesota, US12003
White Bear Lake, Minnesota, US11996