LexDanaLexDanabeta
Inventor

Roy J. Krahn

Inventor
Birchwood, MN, US

Overview

2→
Patents
1989–1990
Patent span
Performing operations
Primary field (CPC B)

Patents· 2 as inventor

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

B05Bprimary
B05BSpraying apparatus33%
F16LPipes33%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests33%
PatentTitleYear
4,928,859'Quick disconnect for aerosol spray can'19904,850,538'Adjustable nozzle'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989Patents assigned to MINNESOTA MINING & MFG (1)· patent assignee history
1989Based in Birchwood Village, MN, US· patent location history
1990Patents assigned to BLENKUSH BRIAN J (1)· patent assignee history
1990Patents assigned to KRAHN ROY J (1)· patent assignee history
1990Based in Birchwood, MN, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BLENKUSH BRIAN J11990
KRAHN ROY Jself11990
MINNESOTA MINING & MFG11989
Locations
LocationPatentsSpan
Birchwood, Minnesota, US11990
Birchwood Village, Minnesota, US11989