Inventor

Dennis J. Brown

Inventor

Whitefish Bay, WI, US

Overview

1991–1999

Patent span

Performing operations

Primary field (CPC B)

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

B21Kprimary

B21KMaking forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels25%

A47LDomestic washing or cleaning13%

B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material13%

B21HMaking particular metal objects by rolling, e.g. screws, wheels, rings, barrels, balls13%

B21JForging13%

C06BExplosives or thermic compositions13%

H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light13%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1991Patents assigned to BROWN DENNIS J (1)· patent assignee history

1991Patents assigned to DORRIS CASEY L (1)· patent assignee history

1991Based in Clairmore, OK, US· patent location history

1994Patents assigned to NELSON BROTHERS INC (1)· patent assignee history

1994Based in Jasper, AL, US· patent location history

1996Patents assigned to LEVER IND COMPANY DIVISION OF (1)· patent assignee history

1996Based in High Wycombe, GB· patent location history

1997Patents assigned to TULIP CORP (2)· patent assignee history

1997Based in Whitefish Bay, WI, US· patent location history

1999Based in Tucson, AZ, US· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TULIP CORP	2	1997
BROWN DENNIS Jself	1	1991
DORRIS CASEY L	1	1991
LEVER IND COMPANY DIVISION OF	1	1996
NELSON BROTHERS INC	1	1994

Locations