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Inventor

Robert D. Klassen

Inventor
Ontario, CA

Overview

2→
Patents
1990–1995
Patent span
Human necessities
Primary field (CPC A)

Patents· 2 as inventor

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

A61Fprimary
A61FFilters implantable into blood vessels25%
A61LMethods or apparatus for sterilising materials or objects in general25%
C25BElectrolytic or electrophoretic processes for the production of compounds or non-metals25%
C25DProcesses for the electrolytic or electrophoretic production of coatings25%
PatentTitleYear
5,458,863'Cold process for hydroxyapatite coatings'19954,969,981'Cell and method of operating a liquid-gas electrochemical cell'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990Patents assigned to H D TECH INC (1)· patent assignee history
1990Based in Kingston, CA· patent location history
1995Based in Ontario, CA· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
H D TECH INC11990
Locations
LocationPatentsSpan
Ontario, CA11995
Kingston, CA11990