The stippling and linear shading shown in the drawings represent a contrasting appearance.
The stippling and linear shading shown in the drawings represent a contrasting appearance.
| Number | Name | Date | Kind |
|---|---|---|---|
| 2968516 | Jarvis | Jan 1961 | A |
| 3094337 | Pippert | Jun 1963 | A |
| 3930657 | Svensson | Jan 1976 | A |
| D256046 | Perrin | Jul 1980 | S |
| 4455334 | Ogino | Jun 1984 | A |
| 5522603 | Naitou | Jun 1996 | A |
| 7216872 | Shaw | May 2007 | B1 |
| D574934 | Darce | Aug 2008 | S |
| D605739 | Henry | Dec 2009 | S |
| 20060012132 | Wu | Jan 2006 | A1 |
| 20150354397 | Novikov | Dec 2015 | A1 |
| 20170146127 | Singh | May 2017 | A1 |
| Entry |
|---|
| USA Industries, Inc. GripSafe Isolation and Test Plugs; YouTube Video 1:28/2:10; Published Jan. 14, 2020; https://www.youtube.com/watch?v=8c8_rHHp-rc (Year: 2020). |