Inventor
Harold J. Coleman
Inventor
Phoenix, AZ, US
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A01Dprimary
A01DHarvesting44%
A47LDomestic washing or cleaning22%
H01HElectric switches11%
H01RElectrically-conductive connections11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
PatentTitleYear
6,148,523'Line feed mechanism for a line trimmer'20006,000,096'Gasoline powered parallel tube blower/vacuum'19995,671,536'Line feed configuration for line trimmers'19975,659,960'Line feed configuration for line trimmers'19975,540,291'Switch actuator for a portable power tool'19965,447,206'Trigger retainer for a portable power tool'1995D0358912'Electric blower'1995D0352579'Combined blower and vacuum'19945,222,275'Blower vacuum'19934,904,827'Electric cord-protecting shipping plug'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990Patents assigned to COLEMAN HAROLD JOSEPH (1)· patent assignee history
1990Patents assigned to POTTER ELISHA LINDSAY (1)· patent assignee history
1990Based in Bossier City, LA, US· patent location history
1993–1996Patents assigned to RYOBI OUTDOOR PRODUCTS INC (5)· patent assignee history
1993–1996Based in Phoenix, AZ, US· patent location history
1997–2000Patents assigned to RYOBI NORTH AMERICA INC (4)· patent assignee history
1997–2000Based in Chandler, AZ, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RYOBI OUTDOOR PRODUCTS INC | 5 | 1993–1996 |
| RYOBI NORTH AMERICA INC | 4 | 1997–2000 |
| COLEMAN HAROLD JOSEPHself | 1 | 1990 |
| POTTER ELISHA LINDSAY | 1 | 1990 |
Locations
| Location | Patents | Span |
|---|---|---|
| Phoenix, AZ, US | 5 | 1993–1996 |
| Chandler, AZ, US | 4 | 1997–2000 |
| Bossier City, LA, US | 1 | 1990 |