Growing community of inventors

Rancho Palos Verdes, CA, United States of America

Jacob De Gelder

Average Co-Inventor Count = 2.25

ph-index = 3

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 25

Jacob De GelderRonald F Englhard (1 patent)Jacob De GelderWilliam Harvey Hill (1 patent)Jacob De GelderJ Becker Anderson (1 patent)Jacob De GelderJ Becher Anderson (1 patent)Jacob De GelderJacob De Gelder (3 patents)Ronald F EnglhardRonald F Englhard (40 patents)William Harvey HillWilliam Harvey Hill (1 patent)J Becker AndersonJ Becker Anderson (1 patent)J Becher AndersonJ Becher Anderson (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. The Leisure Group, Inc. (1 from 6 patents)

2. Reynolds/leteron, Co. (1 from 1 patent)

3. Leteron Mfg. Co. (1 from 1 patent)


3 patents:

1. 4867056 - Apparatus and method for cutting indicia from tape

2. 4823953 - Tape cartridge for a lettering system

3. 4102501 - Deflector assembly for a spray gun

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as of
1/23/2026
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