Central Tools, Inc.
8Patents
0Active
8Granted
26Portfolio score
Filing activity: Sep 16, 1991 → Nov 1, 2002
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5765941A | Fluorescent lamp and method of manufacturing same | Mechanical Engineering; Lighting; Heating | 36 | Expired |
| USD418238S | Utility light with a pair of adjustable supporting attachments | General | 23 | Expired |
| US6799863B2 | Adjustable utility light | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US5317814A | Measuring caliper instrument having a digital display and method for calibrating same | Physics | 12 | Expired |
| US6216357A | Wheels-on brake drum gage | Physics | 7 | Expired |
| US5469629A | Brake rotor thickness measurement gage | Physics | 6 | Expired |
| US5465501A | Gage with adjustable depth stops for measuring distance between two spaced surfaces | Physics | 5 | Expired |
| USD332921S | Digital caliper | General | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.