SYDNEY STEIN has a total of 14 patent applications. Its first patent ever was published in 1910. It filed its patents most often in United States and France. Its main competitors in its focus markets mechanical elements and telecommunications are PRESCOTT SYDNEY IRVIN, ATR SALES INC and TRIVAJLO MIKHAIL S.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 10 | |
#2 | France | 4 |
# | Industry | |
---|---|---|
#1 | Mechanical elements | |
#2 | Telecommunications |
# | Technology | |
---|---|---|
#1 | Clutches and brakes | |
#2 | Telephonic communication |
# | Name | Total Patents |
---|---|---|
#1 | Armbrust Charles W | 9 |
#2 | Stein Sydney | 4 |
#3 | Ambrust Charles W | 1 |
Publication | Filing date | Title |
---|---|---|
US1014933A | Brake-shoe. | |
US1019583A | Brake-shoe. | |
US1010397A | Brake-shoe. | |
US1010398A | Brake-shoe. | |
US1010009A | Brake-shoe. | |
US1010010A | Brake-shoe. | |
US1015771A | Brake-shoe. | |
US1010008A | Brake-shoe. | |
US1022397A | Brake-shoe. | |
US1002480A | Brake-shoe. |