Adopt a Design Patent: 1842-1925

2021 ◽  
Author(s):  
Brian L. Frye
Keyword(s):  
Author(s):  
Hongyu Liu ◽  
Qingyun Dai ◽  
Ya Li ◽  
Chuxin Zhang ◽  
Siyu Yi ◽  
...  
Keyword(s):  

1892 ◽  
Vol 1 (5) ◽  
pp. 181 ◽  
Author(s):  
Frederic H. Betts
Keyword(s):  

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