Legal Opinion
Edwards v. Gramling Engineering Corp.
Court of Appeals of Maryland
Decided April 16, 1991No. 40, September Term, 1990PublishedCited by 26 opinions
1Opinion of the Court
CHASANOW, Judge.
During the period 1972 to 1978, William Gramling (Gramling) and Denver Roberts (Roberts) developed an invention called an “Autoswab,” a self-propelled device used to extract oil from oil wells. The Autoswab forces oil and water out of oil wells. The device is placed in the well casing, it travels below the surface of the oil, and a rubber seal is engaged. Natural gas, which is normally present in an oil well, is trapped below the device and pressure from the gas pushes oil to the surface where it can be put into a tank. In 1978, Ronald Edwards (Edwards) joined the team as a…
2Cases cited23 opinions
- Christianson v. Colt Industries Operating Corp.Supreme Court of the United States · 1988
- Atlantic & Gulf Stevedores, Inc. v. Ellerman Lines, Ltd.Supreme Court of the United States · 1962
- Guth v. Loft, Inc.Supreme Court of Delaware · 1939
- Pratt v. Paris Gas Light & Coke Co.Supreme Court of the United States · 1897
- Gutzwiller v. FenikCourt of Appeals for the Sixth Circuit · 1988
18 more not listed; retrieve them via the Exa API.
3Cited by26 opinions
- DDB Technologies, L.L.C. v. MLB Advanced Media, L.P.Court of Appeals for the Federal Circuit · 2008
- Ver Brycke v. Ver BryckeCourt of Appeals of Maryland · 2004
- MacBride v. PishvaianCourt of Appeals of Maryland · 2007
- Martin v. Howard CountyCourt of Appeals of Maryland · 1998
- Galloway v. StateCourt of Appeals of Maryland · 2002
21 more not listed; retrieve them via the Exa API.