Powers; William R.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Powers; William R..The latest application filed is for "straight taper dipper".
- Powers; William R. - Mukwonago WI
- Powers; William R. - San Francisco CA
- Powers; William R. - Newark DE
- Powers; William R. - Penns Grove NJ
| Patent | Date |
|---|---|
| Straight taper dipper Grant 10,934,682 - Feld , et al. March 2, 2 | 2021-03-02 |
| Straight Taper Dipper App 20200157766 - Feld; Dan ; et al. | 2020-05-21 |
| Straight taper dipper Grant 10,519,621 - Feld , et al. Dec | 2019-12-31 |
| Straight Taper Dipper App 20150218774 - Feld; Dan ; et al. | 2015-08-06 |
| Snubber for shovel dipper Grant 9,045,883 - Schob , et al. June 2, 2 | 2015-06-02 |
| Boom sheave with tubular reinforcing members Grant 9,021,725 - Stalker , et al. May 5, 2 | 2015-05-05 |
| Straight Taper Dipper App 20120279095 - Feld; Dan ; et al. | 2012-11-08 |
| Snubber For Shovel Dipper App 20120260538 - Schob; Dave ; et al. | 2012-10-18 |
| Boom Sheave With Tubular Reinforcing Members App 20120195728 - Stalker; Glenn H. ; et al. | 2012-08-02 |
| Ranking systems based on a risk App 20080103962 - Cohen; Ira ; et al. | 2008-05-01 |
| Compressible foam earplug Grant 5,119,833 - Powers June 9, 1 | 1992-06-09 |
| Ear plug assembly Grant 4,253,452 - Powers , et al. March 3, 1 | 1981-03-03 |
| Manufacture Of Urethane Foam Sheets Grant 3,816,233 - Powers June 11, 1 | 1974-06-11 |
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