39,703
edits
Patent US 4831222A: Difference between revisions
Jump to navigation
Jump to search
no edit summary
No edit summary |
No edit summary |
||
| Line 4: | Line 4: | ||
|Title=Integrated pad switch | |Title=Integrated pad switch | ||
|Company=Tektronix Inc | |Company=Tektronix Inc | ||
|Inventors=Heinz | |Inventors=Heinz Erwin Grellmann; Leonard A. Roland | ||
|Filing date=1985-04-29 | |Filing date=1985-04-29 | ||
|Grant date=1989-05-16 | |Grant date=1989-05-16 | ||
}} | }} | ||