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Inventor

Ronald W. Franck

Inventor
Garden Grove, CA, US

Overview

2→
Patents
1992–2001
Patent span
Physics
Primary field (CPC G)

Patents· 2 as inventor

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

G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties50%
G03GElectrography50%
PatentTitleYear
6,184,990'Miniature multiple wavelength excitation and emission optical system and method for laser-induced fluorescence detectors in capillary electrophoresis'20015,121,704'Unitary tilting toner/vacuum head for electrostatic printers/plotters'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992Patents assigned to CALCOMP INC (1)· patent assignee history
1992–2001Based in Garden Grove, CA, US· patent location history
2001Patents assigned to BECKMAN COULTER INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BECKMAN COULTER INC12001
CALCOMP INC11992
Locations
LocationPatentsSpan
Garden Grove, California, US21992–2001