G09B 11/08
Teaching shorthand
G09B11/08 (Teaching shorthand) appears on 4 US grants and 0 published applications in this corpus.
Search patents in G09B- Granted patents
- 4
- Published applications
- 0
- Assignees
- 2
- Inventors
- 8
- Latest grant
- 21 Dec 1993
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Stenotype machine with linked audio recording21 Dec 1993US 5,272,571 AL. R. Linn and Associates
- Teaching apparatus, particularly for teaching shorthand1 Sep 1987US 4,690,644 A
- Shorthand paper15 Jun 1982US 4,334,702 A
- Transcriber having selectable word reproduction rate6 Jun 1978US 4,093,831 ABusiness Education Products, Inc.
No published applications in this class yet.
Most cited
By later US patents