Donald Ewing — 3 Patents at Trc Services

Donald Ewing has been granted 3 US patents while listed as an inventor at Trc Services. The first was granted in 2019 and the most recent in December 2021. Donald Ewing ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Donald Ewing in Ossenvenne, TX, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
11199053	Sucker rod with adhesive-attached end piece	Donald Mike Johnson, Michael Eric Johnson	2021-12-14
11168549	Automated sucker rod spacing device and associated methods	Michael Eric Johnson, Donald Mike Johnson, Joe Boyd, Danny Uselton	2021-11-09
10508522	Automatic sucker rod spacing device and methods of using same	Michael Eric Johnson, Donald Mike Johnson, Joe Boyd, Danny Uselton	2019-12-17

Donald Ewing — 3 Patents

Issued Patents All Time

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