Patent:US4350877
Patent: | US 4350877 |
Titel: | Calculating rule useful for making eyeglasses |
Datum: | 21.09.1982 |
Ort: | |
Land: | USA |
Person: | Yanagisawa, Yasuo (Akishima, JP), Mitsui, Yoshiaki (Hino, |
Firma: | |
Links im Rechnerlexikon: | |
Schlagworte: | |
Link zum Patentamt: (ohne Garantie) | US4350877 (espacenet), US4350877 (uspto) |
- DATUM: 21.09.1982
- TITEL: Calculating rule useful for making eyeglasses
- PERSON: HOYA LENS CORP
- Patent Family: ( Patent:AU531926B, Patent:AU6068080, Patent:BR8004559, Patent:CA1141351, Patent:DE3069752D, Patent:EP0024303, Patent:EP0024303, Patent:JP56018916U, Patent:JP57009866Y2, Patent:US4350877 )