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Forward Citations = 143

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8 inventors (with patents filed for the assignee):

Thomas J Ryan (6 out of 18 patents)

Leslie M Orloff (2 out of 2 patents)

David T Waugh (2 out of 2 patents)

4. Marc Chomet (1 out of 9 patents)

5. William L Herron (1 out of 2 patents)

6. Duncan Remington (1 out of 1 patent)

7. David Waugh (1 out of 1 patent)

8. Gary Paley (1 out of 1 patent)

11 patents: Sort by Forward Citations

1. D410436 - Wireless push button (1999-06-01),

2. D406110 - Electrical switch for door chime (1999-02-23),

3. 5748074 - Electronic door chime (1998-05-05),

4. D391514 - Push button for wireless door chime (1998-03-03),

5. D382502 - Door chime (1997-08-19),

6. D381594 - Door chime (1997-07-29),

7. D380167 - Door chime (1997-06-24),

8. 5638047 - Sound activated transmitter (1997-06-10),

9. 5576690 - Combined audible and visual signaling device (1996-11-19),

10. 5420564 - Door chime assembly (1995-05-30),

11. 5392202 - Low profile illuminated push button (1995-02-21),

Family-owned since 1936, Fred M. Schildwachter & Sons, Inc. specializes in high-quality commercial and residential construction services. From renovations to new builds, our team is dedicated to providing exceptional craftsmanship and personalized service to every client.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

11 Patents

#5 in Bronx, NY

#1,496 in New York

#26,680 in US

#50,159 in the World

Bronx, NY, United States of America

Fred M. Schildwachter & Sons, Inc.