For the Inventor, By the Inventor

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Appleton, WI, United States of America

Presto Products, Incorporated

USPTO Granted Patents = 14

Trademarks = 3

Forward Citations = 465

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11 inventors (with patents filed for the assignee):

Gary Michael Bach (3 out of 28 patents)

John P Winter (3 out of 4 patents)

James E Buchman (2 out of 52 patents)

4. Eckhard C Schwarz (2 out of 23 patents)

5. Robert A LeCaire, Jr (2 out of 2 patents)

6. Barry B Glashagel (2 out of 2 patents)

7. Kenneth C Jahnke (1 out of 1 patent)

8. William F Heckrodt (1 out of 1 patent)

9. Norman J Van Hulle (1 out of 1 patent)

10. Norman H Bell (1 out of 1 patent)

11. Timothy Kettner (1 out of 1 patent)

14 patents: Sort by Forward Citations

1. 5024642 - Rotary draw tape bag making apparatus and method (1991-06-18),

2. 4881931 - Hem seal for draw tape bags (1989-11-21),

3. 4778309 - Stackable grid material for soil confinement (1988-10-18),

4. 4765999 - Polyester/copolyester coextruded packaging film (1988-08-23),

5. 4717283 - Installation frame for a grid soil confinement system (1988-01-05),

6. 4716061 - Polypropylene/polyester nonoriented heat sealable moisture barrier film (1987-12-29),

7. 4705707 - Polyethylene/polyester nonoriented heat sealable moisture barrier film (1987-11-10),

8. 4647325 - Ultrasonic spot welding tip assembly and method for using the same (1987-03-03),

9. D254585 - Wall mounted plastic bag dispenser (1980-04-01),

10. 4195732 - Supporting and spacing member for web material rolls (1980-04-01),

11. 4191307 - Dispenser for plastic bags (1980-03-04),

12. 4056639 - Preserving red color in fresh red meats (1977-11-01),

13. 4017452 - Polymer modified hydrophilic inorganic fillers for thermoplastic (1977-04-12),

14. 3980890 - Optical thickness detecting and comparing method and apparatus (1976-09-14),

Presto Products, Incorporated is a leading manufacturer specializing in flexible packaging solutions and food storage products. Based in Appleton, Wisconsin, the company focuses on developing innovative materials and technologies that enhance product preservation and convenience for consumers. With a commitment to sustainability, Presto Products emphasizes eco-friendly practices in its manufacturing processes, catering to a diverse range of industries including food service, retail, and consumer goods.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

14 Patents

#12 in Appleton, WI

#509 in Wisconsin

#22,289 in US

#42,168 in the World

Appleton, WI, United States of America

Presto Products, Incorporated

Forward Citations = 465

11 inventors:

Gary Michael Bach (3 out of 28 patents)

John P Winter (3 out of 4 patents)

James E Buchman (2 out of 52 patents)

4. Eckhard C Schwarz (2 out of 23 patents)

5. Robert A LeCaire, Jr (2 out of 2 patents)

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