-
Perforating gun contact device
-
Patent number D971372
-
Issue date Nov 29, 2022
-
OSO Perforating, LLC
-
Tobias D. Hartman
-
D22 - Arms, pyrotechnics, hunting and fishing equipment
-
Perforating gun contact ring
-
Patent number D877286
-
Issue date Mar 3, 2020
-
OSO Perforating, LLC
-
Tobias D. Hartman
-
D22 - Arms, pyrotechnics, hunting and fishing equipment
-
Perforating gun contact device
-
Patent number D873373
-
Issue date Jan 21, 2020
-
OSO Perforating, LLC
-
Tobias D. Hartman
-
D22 - Arms, pyrotechnics, hunting and fishing equipment