International Time Recording Co
InternatioActive Patents
0
Total Holdings
6
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US1791927A | Program device | Expired / Lapsed | 1923-10-30 | 1931-02-10 | 0 | Details |
| US1515995A | Electric multiplying machine | Expired / Lapsed | 1920-12-30 | 1924-11-18 | 0 | Details |
| US1382622A | Program battery-charging device | Expired / Lapsed | 1918-10-29 | 1921-06-28 | 0 | Details |
| US1340435A | Cost-keeping machine | Expired / Lapsed | 1919-01-22 | 1920-05-18 | 0 | Details |
| US1263571A | Duplex counter. | Expired / Lapsed | 1916-06-17 | 1918-04-23 | 0 | Details |
| US1186541A | Time-recorder. | Expired / Lapsed | 1909-05-19 | 1916-06-13 | 0 | Details |