Tapered valve seat
Latest Kerr Machine Co. Patents:
Description
Claims
The ornamental design for a tapered valve seat, as shown and described.
Referenced Cited
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Patent History
Patent number: D880661
Type: Grant
Filed: Aug 24, 2017
Date of Patent: Apr 7, 2020
Assignee: Kerr Machine Co. (Sulphur, OK)
Inventors: Kelcy Jake Foster (Ardmore, OK), Mark S. Nowell (Ardmore, OK), Christopher Todd Barnett (Stratford, OK)
Primary Examiner: Amy C Wierenga
Application Number: 29/614,954
Type: Grant
Filed: Aug 24, 2017
Date of Patent: Apr 7, 2020
Assignee: Kerr Machine Co. (Sulphur, OK)
Inventors: Kelcy Jake Foster (Ardmore, OK), Mark S. Nowell (Ardmore, OK), Christopher Todd Barnett (Stratford, OK)
Primary Examiner: Amy C Wierenga
Application Number: 29/614,954
Classifications