having ballbearings interacting with a conical surface

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Patents Grantslast 30 patents

Information Patent Grant
Device for adjusting the height of desktop, chair or similar
- Patent number 4,526,334
- Issue date Jul 2, 1985
- Martela OY
- Pekka Rantakari
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
3871780
- Patent number 3,871,780
- Issue date Mar 18, 1975
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
3737136
- Patent number 3,737,136
- Issue date Jun 5, 1973
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
3311337
- Patent number 3,311,337
- Issue date Mar 28, 1967
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
3285207
- Patent number 3,285,207
- Issue date Nov 15, 1966
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...