Patent US3051681A successfully refreshed from Google Patents.
HOWE RICHARDSON Co
HOWE RICHAActive Patents
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Total Holdings
8
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3716706A | Piece counting system | Expired / Lapsed | 1971-04-01 | 1973-02-13 | 35 | Details |
| US3692129A | Load cell weighing systems | Expired / Lapsed | 1971-04-12 | 1972-09-19 | 22 | Details |
| US3674097A | Motion detector for weighing apparatus | Expired / Lapsed | 1971-03-12 | 1972-07-04 | 31 | Details |
| US3558017A | Material feed apparatus | Expired / Lapsed | 1968-04-01 | 1971-01-26 | 10 | Details |
| US3532253A | Constant weight feeding apparatus | Expired / Lapsed | 1968-11-12 | 1970-10-06 | 0 | Details |
| US3528518A | Automatic batch weigher | Expired / Lapsed | 1967-08-03 | 1970-09-15 | 0 | Details |
| US3329313A | Constant weight feeding apparatus | Expired / Lapsed | 1965-09-29 | 1967-07-04 | 2 | Details |
| US3291233A | Weighing apparatus | Expired / Lapsed | 1965-06-11 | 1966-12-13 | 2 | Details |