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For the Inventor, By the Inventor

Irvine, CA, United States of America

Spellbound Development Group, Inc.

Calculating rank
USPTO Granted Patents = 14


Trademarks = 18

Forward Citations = 213

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5 inventors (with patents filed for the assignee):

goldMedal Earl Joseph Votolato (14 out of 42 patents)

silverMedal Ryan Michael Burkes (4 out of 5 patents)

bronzeMedal David Andrew Sharbaugh (3 out of 6 patents)

4.  Carlos David Reyes (3 out of 67 patents)

5.  Frank Matthew Howa (2 out of 2 patents)


14 patents:

1. 11708256 - Bag cutter and piercer (2023-07-25),
2. 11197508 - Adjustable face shield providing a range of protective features (2021-12-14),
3. 10940599 - Blade cartridges and lockable safety covers (2021-03-09),
4. 10783507 - Consumables dispensing system and method (2020-09-22),
5. 10391655 - Dual head and guard knife (2019-08-27),
6. 10377619 - Bag cutter and piercer (2019-08-13),
7. 10315325 - Blade cartridges and lockable safety covers (2019-06-11),
8. 10315317 - Blade cartridges and lockable safety covers (2019-06-11),
9. 10244899 - Disposable covers for hot handles (2019-04-02),
10. 9221664 - Bag cutter and piercer (2015-12-29),
11. 7966732 - Safety cutting apparatus (2011-06-28),
12. 6178640 - Slitter device (2001-01-30),
13. 5697157 - Heavy-duty box opener (1997-12-16),
14. 5522135 - Box opener (1996-06-04),
Company Overview
Spellbound Development Group, Inc. is a technology-focused company based in Irvine, California, specializing in innovative software solutions and digital experiences. The organization is dedicated to advancing the fields of augmented reality and interactive media, creating immersive applications that enhance user engagement across various platforms. With a commitment to research and development, Spellbound aims to push the boundaries of technology, offering cutting-edge products that cater to diverse industries and consumer needs.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

14 Patents

#219 in Irvine, CA

#5,325 in California

#22,344 in US

#42,312 in the World

Irvine, CA (US)
Irvine, CA, United States of America

Spellbound Development Group, Inc.

Forward Citations = 213

5 inventors:

goldMedal Earl Joseph Votolato (14 out of 42 patents)

silverMedal Ryan Michael Burkes (4 out of 5 patents)

bronzeMedal David Andrew Sharbaugh (3 out of 6 patents)

4.  Carlos David Reyes (3 out of 67 patents)

5.  Frank Matthew Howa (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Spellbound Development Group, Inc.. Retrieved from https://idiyas.com/company/spellbound-development-group

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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