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Berlin, Germany

Werner Tietz

USPTO Granted Patents = 6

Average Co-Inventor Count = 1.1

ph-index = 6

Forward Citations = 133(Granted Patents)

Company Filing History:

Zeiss Ikon Ag Goerzwerk

Zeis Ikon Ag. Goerzerk

Years Active: 1980-1987

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6 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4662197 - Magnetic lock (1987-05-05),

2. 4653298 - Lock-key system (1987-03-31),

3. 4608842 - Lock and key system (1986-09-02),

4. 4325242 - Multi-level lock system and method (1982-04-20),

5. 4222252 - Cylinder lock with a lock picking impediment (1980-09-16),

6. 4221121 - Multi-level lock system and method (1980-09-09),

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