SHAFT WILLIS S has a total of 12 patent applications. Its first patent ever was published in 1909. It filed its patents most often in United States and Canada. Its main competitors in its focus markets consumer goods and civil engineering are KENNEDY JOHN ERNEST, ENGROS SCHUHHAUS AG and NAKAMURA TETSUSHI.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 7 | |
#2 | Canada | 5 |
# | Industry | |
---|---|---|
#1 | Consumer goods | |
#2 | Civil engineering |
# | Technology | |
---|---|---|
#1 | Footwear features | |
#2 | Doors and windows | |
#3 | Filing and indexing |
# | Name | Total Patents |
---|---|---|
#1 | Shaft Willis S | 12 |
Publication | Filing date | Title |
---|---|---|
US1920112A | Spring heel seat | |
US1450614A | File and file cabinet for letters or other papers | |
CA194029A | Welt shoe | |
US1293217A | Stitch-down welt-shoe. | |
CA171070A | Shoe | |
CA165717A | Shoe | |
US1289281A | Window-shade. | |
US1170686A | Method of making stitch-down shoes. | |
US1088244A | Stitch-down shoe. | |
CA147211A | Window shade | |
US1038005A | Window-shade. | |
CA233492A | File for letters |