Harold Pierce

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Westlake Village, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Low cost programmable sound recording and playback device and metho...
- Patent number 8,675,908
- Issue date Mar 18, 2014
- Harold D. Pierce
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Portable clock with chime signal
- Patent number 6,819,635
- Issue date Nov 16, 2004
- Now & Zen, Inc.
- Stephen Ian McIntosh
- G04 - HOROLOGY
Information Patent Grant
Rebound wall for ball sports
- Patent number 6,575,851
- Issue date Jun 10, 2003
- Catherine B. Lamberti
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Audio storybook
- Patent number 5,356,296
- Issue date Oct 18, 1994
- Pierce; Harold D.
- Harold D. Pierce
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
Low cost programmable sound recording and playback device and metho...
- Publication number 20120294473
- Publication date Nov 22, 2012
- Harold D. Pierce
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Portable clock with chime signal
- Publication number 20030223314
- Publication date Dec 4, 2003
- Stephen Ian McIntosh
- G04 - HOROLOGY