Technigraph Corporation
Winona, MN, US· latest recorded location
Technigraph Corporation is named on 2 US grants and 0 published applications in this corpus. Its most frequent classification is A44B (Buttons, pins, buckles, slide fasteners, or the like).
- Granted patents
- 2
- Published applications
- 0
- Inventors
- 3
- Granted in 2026 so far
- 0
- Most recent grant
- 5 Oct 1999
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
By publication year.
Technology areas
Share of 2 documents
Recent patents
- Method for applying a metallic appearance to a plastic substrate and an ink composition for use therein5 Oct 1999US 5,961,706 A
- Button and apparatus for fabrication thereof26 Dec 1978US 4,130,956 A
No published applications.
Most cited
By later US patents