Research Engineering and Manufacturing Inc
Research EActive Patents
0
Total Holdings
10
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US5061135A | Thread tapping screw | Expired / Lapsed | 1990-08-28 | 1991-10-29 | 10 | Details |
| US4042342A | Blanks for making self-thread forming threaded fasteners | Expired / Lapsed | 1976-06-15 | 1977-08-16 | 4 | Details |
| US3877339A | Lobular screw with means for improved stress distribution | Expired / Lapsed | 1973-12-07 | 1975-04-15 | 11 | Details |
| US3454070A | Differential pitch fastener device | Expired / Lapsed | 1967-10-10 | 1969-07-08 | 0 | Details |
| US3426820A | High friction screw | Expired / Lapsed | 1967-10-05 | 1969-02-11 | 0 | Details |
| US3426642A | Self-tapping screws with threadforming projections | Expired / Lapsed | 1962-02-05 | 1969-02-11 | 2 | Details |
| US3249142A | Lock screw | Expired / Lapsed | 1963-07-18 | 1966-05-03 | 2 | Details |
| US2646829A | Driver for recessed head fasteners | Expired / Lapsed | 1948-07-13 | 1953-07-28 | 0 | Details |
| US2601453A | Driving tool for socket head fasteners | Expired / Lapsed | 1948-07-21 | 1952-06-24 | 0 | Details |
| US2599011A | Display card for taped screws | Expired / Lapsed | 1949-11-15 | 1952-06-03 | 0 | Details |