Patent:US2857098
Brevet: | US 2857098 |
Titre: | Register clear symbol printing mechanism for calculating machine |
Date: | 21.10.1958 |
Lieu: | |
Pays: | Ètats-Unis |
Personne: | Chall, Harold (P) |
Entreprise: | Friden (P) |
Liens internes: | |
Mots-Clefs: | |
Lien à la bureau des brevets: (sans garantie) | ![]() ![]() |
- DATUM: 21.10.1958
- TITEL: Register clear symbol printing mechanism for calculating machine
- PERSON: FRIDEN INC
- Patent Family: ( Patent:US2779267, Patent:US2832530, Patent:US2832531, Patent:US2857098, Patent:US2954922 )