Meginnis; Charles E.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Meginnis; Charles E..The latest application filed is for "method of making a sight glass assembly".
- Meginnis; Charles E. - Charleston WV
| Patent | Date |
|---|---|
| Method of making a sight glass assembly Grant 4,206,537 - Meginnis June 10, 1 | 1980-06-10 |
| Sight glass assembly Grant 4,182,179 - Meginnis January 8, 1 | 1980-01-08 |
| Method of making a sight glass assembly Grant 4,169,309 - Meginnis October 2, 1 | 1979-10-02 |
| Sight glass assembly Grant 3,977,251 - Meginnis August 31, 1 | 1976-08-31 |
| Sight glass assembly Grant 3,942,881 - Meginnis March 9, 1 | 1976-03-09 |
| Quick-opening sight glass assembly Grant 3,941,460 - Meginnis March 2, 1 | 1976-03-02 |
| Sight glass with wear indicating device Grant 3,922,999 - Meginnis December 2, 1 | 1975-12-02 |
| Sight Glass Assembly Grant 3,746,431 - Meginnis July 17, 1 | 1973-07-17 |
| Sight Glass Assembly Grant 3,625,390 - Meginnis December 7, 1 | 1971-12-07 |
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