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Inventor

Richard Opalanko

Inventor
Trumbull, CT, US

Overview

2→
Patents
1976–2002
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

C22Bprimary
C22BProduction and refining of metals33%
G01NInvestigating or analysing materials by determining their chemical or physical properties33%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests33%
PatentTitleYear
6,480,009'Solids measurement system'20023,942,974'Manganese nodule pelletizing'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to KENNECOTT COPPER CORP (1)· patent assignee history
1976Based in Billerica, MA, US· patent location history
2002Patents assigned to GL & V DORR OLIVER INC (1)· patent assignee history
2002Based in Trumbull, CT, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GL & V DORR OLIVER INC12002
KENNECOTT COPPER CORP11976
Locations
LocationPatentsSpan
Trumbull, CT, US12002
Billerica, Massachusetts, US11976