Patent Application
Provisional
App. No. 60/717,319
· Confirmation No. 5963
Stepped-piston multiple-cylinder free-piston stirling engines or heat pumps
Provisional Application Expired
Inventors
David M. Berchowitz
Athens, OH
Yong-Rak Kwon
Athens, OH
Attorneys & Agents of Record
Prosecution
- Customer No.
- 2555
- Docket No.
- GLC 114
- Confirmation No.
- 5963
RELEASE OF SECURITY INTEREST
Recorded 2021-11-05
SECURITY INTEREST
Recorded 2020-12-18
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Quick Facts
- App. No.
- 60/717,319
- Filed
- 2005-09-15
External Links