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For the Inventor, By the Inventor

Arlington Heights, IL, United States of America

Donald K Fletchic

This inventor holds 9 USPTO granted patents. Top assignee: Marvin Glass & Associates. Active years: 1976-1980.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Donald K Fletchic. Retrieved from https://idiyas.com/inventor/donald-k-fletchic

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

Calculating rank
USPTO Granted Patents = 9

% Patents Active = 100.0

Average Co-Inventor Count = 2.8

ph-index = 6

Forward Citations = 109(Granted Patents)


Location History:

  • Cicero, IL (US) (1976 - 1978)
  • Arlington Heights, IL (US) (1978 - 1979)
  • Rolling Meadows, IL (US) (1980)

Company Filing History:

goldMedal9 out of 422 
 
Marvin Glass & Associates
 patents

Years Active: 1976-1980

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9 patents (USPTO):Explore Patents
1. 4198778 - Amusement device (1980-04-22),
2. 4166621 - Programmable record changer (1979-09-04),
3. 4119844 - Phonograph cartridge and sensor assembly (1978-10-10),
4. 4109114 - Programmable phonograph device (1978-08-22),
5. 4101619 - Method of making a doll head (1978-07-18),
6. 4093832 - Programmable record changer (1978-06-06),
7. 4093260 - Velocipede steering and driving arrangement (1978-06-06),
8. 4082292 - Tone arm lift mechanism (1978-04-04),
9. 3990175 - Doll head for excreting liquid therethrough, and method of making same (1976-11-09),

Title: Donald K. Fletchic and His Patented Inventions.

Introduction

Donald K. Fletchic is an inventor associated with Arlington Heights, Illinois, and Marvin Glass & Associates. His work includes inventions in toy design and consumer audio technology. He is credited with 9 patents.

Latest Patents

Fletchic’s listed patents include an amusement device and a programmable record changer.

The amusement device is a toy bank with a transparent upper section that accepts tokens through a slot and a lower storage compartment. A hand crank and gear train turn a propeller, which moves tokens through an opening into the storage area.

The programmable record changer automatically selects sound tracks across a sequence of records. An electro-optic scanner on the pickup arm detects the spaces between tracks, while a digital logic system and programmable memory control the tone arm to skip tracks the user does not want to hear.

Career Highlights

Fletchic’s patents reflect inventive work spanning interactive toys and automated record playback. The toy bank combines a familiar savings device with a manually operated mechanism, while the record changer applies scanning and programmable control to music selection.

Collaborations

Fletchic was associated with Marvin Glass & Associates. His listed coworkers include Howard J. Morrison and Ralph H. Baer.

Conclusion

Donald K. Fletchic’s patent record highlights practical inventions that brought mechanical interaction to a toy bank and programmable track selection to record playback.

Profile summary based on public USPTO records.
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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