Provisional patent application

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Invoice Design Template Free, Invoice Template Free Download, Invoice Design Creative, Designer Invoice Template, Invoice Layout, Free Receipt Template, Invoice Format, Commercial Invoice Template, Invoice Example

A fully customizable digital invoice template for small businesses. Elevate your small business by sending your customers a professionally formatted invoice with your own touch of creativity in order to leave a good lasting impression! This is a digital item, therefore a physical product will not be shipped to you. SIZE: 8.5x11” (US Letter Size) - If you’d like it resized please message me and I can resize it for free! WHAT CAN BE EDITED: The link in the PDF page will allow you access to the…

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Airplane Engine, Engineering Tools, Patent Drawing, High Altitude, Riddles, Engineering, Tools, Sports

Description Sept. 22, 1936. z. RIDDLE AUTOMATIC VARIABLE PITCH PROPELLER Filed June 25, 1930 2 Sheets-Sheet l INVENTOR. 245" fi/aozf ATTORNEY Sept. 22, 1936. I Z, RlDDLE 2,054,947 AUTOMATIC VARIABLE PITCH PROPELLER Filed June 25, 1930 2 Sheets-Sheet 2 IN VEN TOR; ZZZ/E 80045 7 ATTORNEY Patented Sept. 22, 1936 UNITED STATES PATENT OFFICE My invention relates to automatic variable pitch propellers, and the objects of my invention are: First, to provide a propeller of this class in I which the…

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