USD149130S - Design for a helicopter - Google Patents

Design for a helicopter Download PDF

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Publication number
USD149130S
USD149130S US D149130 S USD149130 S US D149130S
Authority
US
United States
Prior art keywords
helicopter
design
katzenberger
bridgeport
edward
Prior art date
Application number
Other languages
English (en)
Inventor
Edward F. Katzenberger
Original Assignee
United Aircraft Corporation
Filing date
Publication date

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