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Inventor

Harold F. Donoho

Inventor
San Antonio, TX, US

Overview

2→
Patents
1997–1998
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.

B29Cprimary
B29CShaping or joining of plastics33%
G01NInvestigating or analysing materials by determining their chemical or physical properties33%
H05BElectric heating33%
PatentTitleYear
5,710,413'H-field electromagnetic heating system for fusion bonding'19985,594,340'Apparatus for accurately controlling moisture levels of aqueous surfactant compositions during on line processing including a cross-feed piston assembly'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997Patents assigned to LEVER BROTHERS CO (1)· patent assignee history
1997–1998Based in San Antonio, TX, US· patent location history
1998Patents assigned to MINNESOTA MINING & MFG (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
LEVER BROTHERS CO11997
MINNESOTA MINING & MFG11998
Locations
LocationPatentsSpan
San Antonio, Texas, US21997–1998