For the Inventor, By the Inventor

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Toledo, OH, United States of America

Tolco Corporation

USPTO Granted Patents = 26

% Expired Patents = 3.8

Trademarks = 18

Forward Citations = 559

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8 inventors (with patents filed for the assignee):

Richard Wayne Heath (14 out of 43 patents)

William E Spengler (7 out of 7 patents)

George L Notarianni (2 out of 2 patents)

4. William C Ramsey (2 out of 6 patents)

5. Chris File (1 out of 1 patent)

6. Alberto Martinez (1 out of 1 patent)

7. Terry C Potter (1 out of 8 patents)

8. William J Spengler (1 out of 1 patent)

26 patents: Sort by Forward Citations

1. 11118382 - Door prop device (2021-09-14),

2. 9737903 - Soap dispenser (2017-08-22),

3. D662816 - Trigger sprayer (2012-07-03),

4. 7191987 - Sway brace fitting (2007-03-20),

5. 6953174 - Sway brace fitting (2005-10-11),

6. 6708930 - Sway brace fitting (2004-03-23),

7. 6634606 - Hanger for fire sprinkler pipe (2003-10-21),

8. 6517030 - Sway brace fitting (2003-02-11),

9. D451388 - Trigger sprayer (2001-12-05),

10. D447415 - Trigger sprayer (2001-09-05),

11. 6273372 - Sway brace fitting (2001-08-14),

12. 6098942 - Bar joist clamp with locking bar (2000-08-08),

13. D428811 - Nozzle (2000-08-01),

14. D417151 - Cushion grip handle (1999-11-30),

15. 5947424 - Pipe support assembly with retaining strap (1999-09-07),

Tolco Corporation is a global leader in the design, manufacturing, and distribution of innovative products for the professional cleaning and maintenance industry. With a focus on quality and efficiency, Tolco offers a wide range of solutions including trigger sprayers, bottles, and various cleaning tools. Their commitment to customer satisfaction and environmental responsibility sets them apart in the industry.

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

Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

26 Patents

#23 in Toledo, OH

#567 in Ohio

#12,831 in US

#24,720 in the World

Toledo, OH, United States of America

Tolco Corporation

Forward Citations = 559

8 inventors:

Richard Wayne Heath (14 out of 43 patents)

William E Spengler (7 out of 7 patents)

George L Notarianni (2 out of 2 patents)

4. William C Ramsey (2 out of 6 patents)

5. Chris File (1 out of 1 patent)

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