Root Spring Scraper Co.
Kalamazoo, MI, US· latest recorded location
Root Spring Scraper Co. is named on 3 US grants and 1 published applications in this corpus. Its most frequent classification is E01H (Street cleaning).
- Granted patents
- 3
- Published applications
- 1
- Inventors
- 4
- Granted in 2026 so far
- 0
- Most recent grant
- 21 Oct 2003
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 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 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
By publication year.
Technology areas
Share of 4 documents