Portable heat sealing machine
The broken line showing of environmental structures is for illustrative purposes only and forms no part of the claimed design.
Claims
The ornamental design for a portable heat sealing machine, as shown as described.
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Type: Grant
Filed: Nov 12, 2008
Date of Patent: Aug 4, 2009
Inventor: Mao Bang Tsai (Baoan, Shenzhen City, Guangdong)
Primary Examiner: Sandra Snapp
Assistant Examiner: Patricia Palasik
Attorney: Rabin & Berdo, P.C.
Application Number: 29/327,735