Technical Systems Corp.
9Patents
0Active
9Granted
33Portfolio score
Filing activity: Mar 5, 1979 → Jun 9, 2000
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5067713A | Coded playing cards and apparatus for dealing a set of cards | Human Necessities | 416 | Expired |
| US5259907A | Method of making coded playing cards having machine-readable coding | Emerging Cross-Sectional Technologies | 228 | Expired |
| US6423900B1 | Active cover plate for an electrical outlet | Electricity | 172 | Expired |
| US6087588A | Active cover plate for an electrical outlet | Electricity | 152 | Expired |
| US5522623A | Coded identification card and other standardized documents | Performing Operations; Transporting | 103 | Expired |
| US5169155A | Coded playing cards and other standardized documents | Emerging Cross-Sectional Technologies | 83 | Expired |
| US5098185A | Automatic tracking type measuring apparatus | Physics | 52 | Expired |
| US4226726A | Desilter | Fixed Constructions | 25 | Expired |
| US5756987A | Photoelectric displacement detector having movable detecting elements | Physics | 4 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.