HAMMOND TYPEWRITER COMPANY has a total of 13 patent applications. Its first patent ever was published in 1904. It filed its patents most often in United States, France and Austria. Its main competitors in its focus markets textiles and paper are K S SANGYO KK, IUT CO LTD and CANON NTC INC.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 9 | |
#2 | France | 2 | |
#3 | Austria | 1 | |
#4 | United Kingdom | 1 |
# | Industry | |
---|---|---|
#1 | Textiles and paper |
# | Technology | |
---|---|---|
#1 | Typewriters |
# | Name | Total Patents |
---|---|---|
#1 | Noack Carl O | 2 |
#2 | Ruffin John Anderson | 2 |
#3 | Krusius Edward | 2 |
#4 | Lopez Arthur | 2 |
#5 | Ruffin John A | 1 |
Publication | Filing date | Title |
---|---|---|
US1452254A | Folding typewriter | |
US1433641A | Folding typewriter | |
GB126645A | Improvements in Folding Typewriters. | |
US1243954A | Type-writer. | |
US1243955A | Type-writer. | |
US1118664A | Shift-key attachment for type-writing machines. | |
US1035747A | Shuttle-shield frame for type-writers. | |
US1155828A | Type-writing machine. | |
US846026A | Polychrome-ribbon attachment for type-writers. | |
US836143A | Type-writer attachment. |