Black; Robert David
Patent Applications and Registrations
Patent applications and USPTO patent grants for Black; Robert David.The latest application filed is for "insulated trellis mat".
- Black; Robert David - Oxford GB
- Black; Robert David - Bicester N/A GB
- Black; Robert David - Bicester OX25 5LB GB
- Black; Robert David - Woodstock GB
| Patent | Date |
|---|---|
| Insulated Trellis Mat App 20190119933 - Black; John Alexander ; et al. | 2019-04-25 |
| Support Apparatus App 20180328054 - Black; John Alexander ; et al. | 2018-11-15 |
| Access panel Grant 9,540,838 - Black , et al. January 10, 2 | 2017-01-10 |
| Retractable cover Grant 9,422,737 - Black , et al. August 23, 2 | 2016-08-23 |
| Retractable Cover App 20140208501 - Black; Robert David ; et al. | 2014-07-31 |
| Access Panel App 20120144746 - Black; Robert David ; et al. | 2012-06-14 |
| Access unit with variable size opening for construction application Grant 7,845,119 - Black , et al. December 7, 2 | 2010-12-07 |
| Constructional unit App 20060260217 - Black; Robert David ; et al. | 2006-11-23 |
| Safety unit Grant 6,748,715 - Black , et al. June 15, 2 | 2004-06-15 |
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