Bird & Son, Inc.
6Patents
0Active
6Granted
26Portfolio score
Filing activity: Jul 16, 1976 → May 29, 1980
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4280399A | Roof ridge ventilator | Mechanical Engineering; Lighting; Heating | 114 | Expired |
| US4226069A | Shingle simulating strip material | Fixed Constructions | 30 | Expired |
| US4272370A | Gutter strainer | Fixed Constructions | 14 | Expired |
| US4023320A | Ornamental plastic shutter | Fixed Constructions | 13 | Expired |
| US4314683A | Gutter hanger | Fixed Constructions | 11 | Expired |
| USD251808S | Shingle | General | 7 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.