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Companies with Patents
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Coro
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Eastern Jewelry Mfg. Co.
Eisenberg
Elzac
Felch & Co. (Danecraft)
Grad Co. , David
Guyot Bros.
Hess - Appel
Hickok Mfg. Co.
Hirsch Inc. B. F.
Hobe
Josten Mfg. Co
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Kenstemon Bros.
Kaufman - Ruderman
Kramer, Kramer of NY
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Leo Glass & Co.
Lisner, D
Lucien Picard
Mandel, Urie
Marathon Co.
Marvel Jewelry Co.
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North & Judd Mfg Co
Ora Jewelry
Pennino
Reja
Rice Weiner
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Schiaparelli
Steiner Ernest & Co.
Sweet, Co. & Son
Trifari
Uncas Manufacturing Co
Unger Brothers
Van Cleef & Arpels Inc.
Vester, Alfred & Sons
W & H Jewelry Co.
Weinrich Bros.
White, JJ Mfg Co.
Whiting and Davis
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Vintage
A Research Site for
Vintage Jewelry Patents
Brooches, Clips - Birds and Insects
Vintage Jewelry Patents Categories > Trifari > Brooches, Clips - Birds and Insects
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Page 4 of 4 
Pat. 151,555
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Pat. 153,084
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Pat. 153,307
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Pat. 153,308
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Pat. 153,309
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Pat. 153,310
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Pat. 153,311
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Pat. 153,379
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Pat. 153,390
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Pat. 153,446
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Pat. 153,447
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Pat. 153,448
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Pat. 153,449 (image)
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Pat. 153,450
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Pat. 153,451
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Pat. 153,452
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Pat. 155,182
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Pat. 155,196
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Pat. 155,213
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Pat. 157,194
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Pat. 157,197
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Page 4 of 4
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