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Karlsdorf bel Graz, Austria

Roto Frank Eisenwarenfabrik Aktien

USPTO Granted Patents = 1

Forward Citations = 43

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1 inventor (with patents filed for the assignee):

Manfred Hotzl (1 out of 6 patents)

1 patent: Sort by Forward Citations

1. 5404737 - Electrically and manually key-controlled lock (1995-04-11),

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USPTO Data Jan 1 1976 - Dec 16 2025

1 Patents

#1 in Karlsdorf bel Graz

#1,409 in Austria

Karlsdorf bel Graz, Austria

Roto Frank Eisenwarenfabrik Aktien

Forward Citations = 43

1 inventor:

Manfred Hotzl (1 out of 6 patents)

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