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Inventor

Frank Seja

Inventor
Darmstadt, DE

Overview

3→
Patents
1990–1996
Patent span
Human necessities
Primary field (CPC A)

Patents· 3 as inventor

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

A45Dprimary
A45DHairdressing or shaving equipment100%
PatentTitleYear
5,560,121'Energy-efficient process for treating an object with a hot air flow and hand-held device for performing said process'19965,133,372'Hot air hair curling apparatus'19924,971,081'Hair curling rod having retractable bristles'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–1996Patents assigned to WELLA AG (3)· patent assignee history
1990–1992Based in Darmstadt, DE· patent location history
1996Based in Reinheim, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
WELLA AG31990–1996
Locations
LocationPatentsSpan
Darmstadt, DE21990–1992
Reinheim, DE11996