Inventor
Betsy P. Colwell
Inventor
Foster, RI, US
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
LOC30primary
LOC3057%
A01KAnimal husbandry43%
PatentTitleYear
7,237,507'Selective bird feeder'2007D0452048'Rain guard for a bird feeder'2001D0448126'Selective bird feeder'2001D0440361'Selective bird feeder'2001D0422755'Bird fruit feeder'20005,558,040'Bird feeder'19965,454,348'Hummingbird feeder'1995D0360710'Combined hummingbird window feeder and mounting bracket'1995D0352138'Bird feeder seed baffle'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994–2007Patents assigned to DROLL YANKEES INC (9)· patent assignee history
1994–2007Based in Foster, RI, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DROLL YANKEES INC | 9 | 1994–2007 |
Locations
| Location | Patents | Span |
|---|---|---|
| Foster, RI, US | 9 | 1994–2007 |