LexDanaLexDanabeta
Inventor

Alvin M. Berg

Inventor
Roseville, MN, US

Overview

2→
Patents
1998–2000
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 2 as inventor

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

C08Gprimary
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds29%
G11BInformation storage based on relative movement between record carrier and transducer29%
Y10TTechnical subjects covered by former us classification29%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
PatentTitleYear
6,139,966'Carboxylic acid functional polyurethane polymers and blends thereof used in magnetic recording media'20005,705,253'Video recording tapes suitable for high speed contact duplication'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998Patents assigned to MINNESOTA MINING & MFG (1)· patent assignee history
1998–2000Based in Roseville, MN, US· patent location history
2000Patents assigned to IMATION CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IMATION CORP12000
MINNESOTA MINING & MFG11998
Locations
LocationPatentsSpan
Roseville, Minnesota, US21998–2000