Growing community of inventors

Parkville, MO, United States of America

Robert D Wertanen

Average Co-Inventor Count = 4.44

ph-index = 3

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 40

Robert D WertanenTimothy Jay Lien (6 patents)Robert D WertanenJohn B Watkins (2 patents)Robert D WertanenJason Blake Penrod (2 patents)Robert D WertanenRandy S Knipp (2 patents)Robert D WertanenWesley DeWayne Lindquist (2 patents)Robert D WertanenKari Jean Walberg (2 patents)Robert D WertanenMa Lap Man (2 patents)Robert D WertanenSara F Coash (2 patents)Robert D WertanenSteve Eikos (2 patents)Robert D WertanenElizabeth A Fine (2 patents)Robert D WertanenMa Lap Man (1 patent)Robert D WertanenRobert D Wertanen (6 patents)Timothy Jay LienTimothy Jay Lien (16 patents)John B WatkinsJohn B Watkins (12 patents)Jason Blake PenrodJason Blake Penrod (10 patents)Randy S KnippRandy S Knipp (7 patents)Wesley DeWayne LindquistWesley DeWayne Lindquist (6 patents)Kari Jean WalbergKari Jean Walberg (5 patents)Ma Lap ManMa Lap Man (3 patents)Sara F CoashSara F Coash (3 patents)Steve EikosSteve Eikos (2 patents)Elizabeth A FineElizabeth A Fine (2 patents)Ma Lap ManMa Lap Man (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hallmark Cards, Inc. (6 from 233 patents)


6 patents:

1. 9759413 - Translucent object having housing, cavities and controller forming facial expressions

2. 9232288 - Article having karaoke record feature and simultaneous playback

3. 9200790 - Decorative object that produces a complimentary shadow design

4. 8937535 - Greeting card with subsequent audio after closing

5. 8736429 - Greeting card with subsequent audio after closing

6. 8719033 - Greeting card having karaoke record feature and simultaneous playback

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as of
12/19/2025
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