PBS Building Systems, Inc.
2Patents
0Active
2Granted
21Portfolio score
Filing activity: Feb 25, 1987 → Jun 22, 1987
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4807407A | Modular building system for a three-story structure | Fixed Constructions | 18 | Expired |
| US4882883A | Architectural modular system | Fixed Constructions | 14 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.