Bell; Robert Matthew
Patent Applications and Registrations
Patent applications and USPTO patent grants for Bell; Robert Matthew.The latest application filed is for "apparatus for connecting door closer or operator to swing door".
- Bell; Robert Matthew - Clarksville TN
- Bell; Robert Matthew - Monroe NC US
| Patent | Date |
|---|---|
| Apparatus for connecting door closer or operator to swing door Grant 10,253,540 - Bell , et al. | 2019-04-09 |
| Apparatus for connecting door closer or operator to swing door Grant 10,024,094 - Bell , et al. July 17, 2 | 2018-07-17 |
| Apparatus For Connecting Door Closer Or Operator To Swing Door App 20170130500 - Bell; Robert Matthew ; et al. | 2017-05-11 |
| Door or window closer Grant 8,732,905 - Bell May 27, 2 | 2014-05-27 |
| Door Or Window Closer App 20110191981 - BELL; Robert Matthew | 2011-08-11 |
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