Forward Citations = 182

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3 inventors (with patents filed for the assignee):

Manfred Hotzl (5 out of 6 patents)

Peter Riznik (1 out of 3 patents)

Manfred Hötzl (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 6237379 - Motor-assisted electromechanical lock system (2001-05-29),

2. 6007114 - Latch-operable multibolt lock (1999-12-28),

3. 5946956 - Electromechanical lock system (1999-09-07),

4. 5495731 - Multiple-bolt door lock (1996-03-05),

5. 5482334 - Handle assembly for dual-stem door lock (1996-01-09),

6. 5394718 - Power-assist slide lock (1995-03-07),

7. 5096237 - Multiple-bolt door latch (1992-03-17),

Roto Frank Eisenwarenfabrik Aktiengesellschaft is a leading manufacturer of hardware technology for windows and doors. With over 80 years of experience, the company offers innovative solutions for residential and commercial applications. Their products are known for their high quality, reliability, and durability. Roto Frank is committed to sustainability and environmentally friendly practices in their manufacturing processes.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

7 Patents

#1 in Kalsdorf bei Graz

#411 in Austria

Kalsdorf bei Graz, Austria

Roto Frank Eisenwarenfabrik Aktiengesellschaft

Forward Citations = 182

3 inventors:

Manfred Hotzl (5 out of 6 patents)

Peter Riznik (1 out of 3 patents)

Manfred Hötzl (1 out of 1 patent)

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