Drilldown: Patents
Choose a table:
- Companies (64)
- Components (761)
- Documents (431)
- Patents (1671)
- Persons (321)
- Products (2047)
- Software (139)
- Specifications (5773)
- All files (26150)
- All pages (35970)
Patents > Filing date:
1980
& Grant date:
June 1982
& Cites :
Patent US 3214516A or
Patent US 3293473A or
Patent US 3629731A or
Patent US 4146844A or
Patent US 4150420A or
None
Use the filters below to narrow your results.
Showing below up to 3 results in range #1 to #3.