Addmaster Corporation
Monrovia, CA, US· latest recorded location
Addmaster Corporation is named on 18 US grants and 0 published applications in this corpus. Its most frequent classification is B41J (Typewriters).
- Granted patents
- 18
- Published applications
- 0
- Inventors
- 8
- Granted in 2026 so far
- 0
- Most recent grant
- 9 Mar 2004
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 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 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 1 | 0 |
By publication year.
Technology areas
Share of 18 documents
- B41JTypewriters9
- Y10TTechnical subjects covered by former us classification3
- E05BLocks2
- B41KStamps1
- B65HHandling thin or filamentary material1
- F16BDevices for fastening or securing constructional elements or machine parts together1
- F16DCouplings for transmitting rotation1
- F16HGearing1
- F16LPipes1
- G05FSystems for regulating electric or magnetic variables1
Recent patents
- Paper feed assembly9 Mar 2004US 6,702,148 B1
- Printhead cartridge latching assembly23 Sep 2003US 6,623,105 B1
- Dual line slip printer21 Mar 1995US 5,399,038 A
- Processing of bank documents16 Feb 1993US 5,187,351 A
- Strip printer10 Dec 1991US D322,277 SDesign
No published applications.
Most cited
By later US patents